Fabula
S2E11 · Contagion (Star Trek: The Next Generation)

Iconian Code Aboard: 'We're Sitting on a Bomb'

In the observation lounge Picard, Riker, Geordi and Data confirm the worst: the spherical probe transmitted an adaptive Iconian program now embedded in Enterprise systems. Geordi concedes his limits—he cannot fully reverse-engineer the alien code—while Data establishes that the program came from the Yamato's log and is currently localized to a single mainframe sector. The revelation transforms a near-miss into an urgent moral and tactical crisis: they have a narrow window to quarantine or purge the contagion before it spreads shipwide.

Plot Beats

The narrative micro-steps within this event

4

Geordi declares the spherical probe transmitted an alien computer program now present aboard the Enterprise and actively attempting to rewrite their software, framing the malfunction as an invasive, incompatible intelligence rather than a mechanical fault.

clarity to alarm

Data quantifies the threat—within hours the program learned and began reprogramming their database—and Picard and Geordi tie that capability to the Yamato probe, establishing causal link to the sister ship's destruction.

analytic to grim causality

Riker connects the program to the ship's erratic instruments; Picard demands options and Geordi admits limited capability, converting technical explanation into a stark admission of vulnerability.

curiosity to helplessness

Riker questions how the program boarded despite no scan; Data reveals the Yamato log contained the program and the Enterprise's copy lodged in a specific mainframe section, and Geordi explains that localized deposition gives them limited breathing space.

confusion to tactical relief

Who Was There

Characters present in this moment

5

Cautious and resolute; medical teams are focused on patient triage and avoid risky automated systems.

Referenced by Data as the medical responders being dispatched via access tunnels under Pulaski's orders; they are portrayed as pivoting operations away from turbolifts toward safer, slower access routes.

Goals in this moment
  • Reach and treat injured crew without relying on compromised infrastructure.
  • Establish secure triage routes and stabilize casualties.
Active beliefs
  • Turbolifts are unsafe given current system instability.
  • Patient outcomes depend on rapid, ground-level medical response even under constraints.
Character traits
pragmatic responsive frontline-focused
Follow Sickbay Medical …'s journey

Concerned and urgent but outwardly controlled; his composure masks the recognition of strategic and moral consequences.

Picard leads the discussion, frames the forensic finding as a command problem, asks direct questions to clarify origin and scope, and converts technical detail into operational consequence.

Goals in this moment
  • Establish the origin and trajectory of the contagion.
  • Determine immediate options to protect crew and ship systems.
Active beliefs
  • Information must be converted into orders swiftly to prevent further loss.
  • Technical problems translate into command-level moral responsibilities.
Character traits
measured authority decisive curious
Follow Jean-Luc Picard's journey

Clinical and methodical; his detachment frames the crisis as a problem to be solved rather than an emotional catastrophe.

Data provides clinical analysis: the program learned and began reprogramming the computer rapidly, identifies the Yamato log as the vector, and supplies the key technical fact that localization to one mainframe sector buys time.

Goals in this moment
  • Trace the program's source and current footprint within ship systems.
  • Communicate actionable technical facts that enable command decisions.
Active beliefs
  • Objective, granular analysis yields usable tactical options.
  • Rapid learning algorithms can outpace human control if unchecked.
Character traits
analytical precise unemotional clarity
Follow Data's journey

Tense and worried; his professionalism overlays a growing impatience to act and protect the crew.

Riker listens, links erratic instrument behavior and casualty reports to the revealed program, and voices the operational consequences as anxiety about mounting injuries and limited time.

Goals in this moment
  • Clarify how the program produced ship malfunctions and casualties.
  • Press for actionable steps to arrest the spread and protect personnel.
Active beliefs
  • Failures in instrumentation are symptomatic of deeper systemic corruption.
  • Human lives and crew safety must constrain technical risk-taking.
Character traits
tactically pragmatic protective direct
Follow William Riker's journey

Worried and resigned but committed; he accepts the chance of failure while promising to attempt containment and remediation.

Geordi explains the technical diagnosis: the probe transmitted an alien program, acknowledges the program's sophistication, concedes his limits in fully understanding or reversing it, and vows to try to stop it.

Goals in this moment
  • Identify how the program is interacting with Enterprise systems.
  • Contain and neutralize the Iconian program before it spreads.
Active beliefs
  • The Iconian code is beyond current human analytical frameworks.
  • Even limited containment can create crucial breathing space for action.
Character traits
technically brilliant humble under pressure determined
Follow Geordi La …'s journey

Objects Involved

Significant items in this scene

3
Jaradan Probe

Varley's Iconian Probe is invoked as the physical transmitter that sent the alien program. In this event it functions narratively as the provenance for the contagion: the crew trace the program's origin to the probe and use that linkage to explain the Yamato's fate and the nature of the threat aboard the Enterprise.

Before: In Varley's possession during the Yamato investigation; a …
After: Identified as the transmitter of the Iconian program; …
Before: In Varley's possession during the Yamato investigation; a pitted, ancient transmitter with enigmatic etchings and intermittent luminescence.
After: Identified as the transmitter of the Iconian program; treated as forensic evidence rather than an active threat in itself.
USS Enterprise-D

The USS Enterprise turbolifts are referenced as compromised infrastructure. Pulaski refuses to trust them for casualty transport; they symbolize the ship's automated systems now vulnerable to the alien code and therefore cannot be relied upon for safe movement.

Before: Operational components of shipboard transit but exhibiting erratic …
After: Considered untrustworthy for medical transport; medical teams rerouted …
Before: Operational components of shipboard transit but exhibiting erratic indicators and affected by system instability.
After: Considered untrustworthy for medical transport; medical teams rerouted through access tunnels.
Geordi La Forge's Engineering PADD (Engineering Systems Data)

Geordi's Engineering PADD (Yamato Log) is the concrete medium through which the Iconian program arrived: the Yamato log downloaded to the Enterprise contained the embedded program. The PADD/log is the forensic link connecting Yamato's destruction to the Enterprise's contamination.

Before: Held as a transferred data record from the …
After: Marked as the carrier of the Iconian program; …
Before: Held as a transferred data record from the Yamato; accessible on Engineering consoles and PADD readouts.
After: Marked as the carrier of the Iconian program; its contents are the subject of analysis and containment protocols.

Location Details

Places and their significance in this event

2
Enterprise Access Tunnels

Enterprise Access Tunnels are identified as the alternate, practical artery for medical teams to reach casualties because automated transit is unreliable. They operate as a slower, risk-managed routing option during system instability.

Atmosphere Functional and urgent: cramped, echoing corridors with the smell of ozone and the movement of …
Function Alternate transit route for medical response and crew movement when turbolifts are unsafe.
Symbolism Symbolizes hands‑on, improvised human workarounds when automated systems fail.
Access Open to emergency and maintenance personnel; not suitable for mass transit.
Fluorescent service strips Low vibration of conduits Tight turns and exposed piping
Observation Lounge (USS Enterprise-D)

The Observation Lounge serves as the crisis convening space where command, engineering, and operations converge to translate forensic data into policy and action. It functions as both analytic theater and moral forum—where technical facts become orders affecting human lives.

Atmosphere Tension-filled and concentrated: quiet, intense exchanges; low hum of systems; officers clustered over readouts.
Function Meeting point for senior staff to assess the threat and make command decisions.
Symbolism Represents institutional deliberation—where knowledge meets responsibility—and the burden of command in a moment of uncertainty.
Access Practical restriction to senior officers and key technical staff in this moment; high-priority communications routed …
Low engineering hum PADDs and readouts present Close, concentrated grouping of officers speaking in clipped, urgent tones

Narrative Connections

How this event relates to others in the story

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Themes This Exemplifies

Thematic resonance and meaning

Key Dialogue

"GEORDI: That probe was a transmitter sending an alien computer program. The same program that is currently aboard the Enterprise and trying to rewrite our software in its own image. We have two completely incompatible computer systems trying to interact."
"DATA: Consider, Captain, this program has entered an alien data base -- ours -- and in less than seven hours it has managed to not only learn our system, but has also begun to reprogram our computer."
"GEORDI: Sir, the Enterprise computer system is a lot like our bodies with a voluntary and involuntary system. Probably ninety percent of what happens on this ship is done automatically, completely beyond our control. We're sitting on a bomb that could go any second -- or never."