Interpersonal Conflict
View Graph

The Mandragora Helix Corruption

The Mandragora Helix, a supernatural entity, corrupts the court of San Martino in Renaissance Italy, manipulating Count Federico and local cultists to further its influence. The Doctor and Sarah Jane investigate the mysterious force, which causes mechanical failures and supernatural phenomena. They must uncover the cult's plans, resist the Helix's corruption, and prevent it from achieving its dark objectives, pitting science against superstition.

14 events across 1 season

Arc Timeline

Season 14

14 events
S14E4 · The Masque of Mandragora Part 4
Hieronymous seizes Mandragora’s power

In a public spectacle of terror, Hieronymous executes Federico by immolating him as a warning to the Brethren, demonstrating Mandragora’s destructive ascendancy. Standing amid the ashes of his victim, he …

Start
Doctor wins reprieve from Mandragora

The Doctor, still in the guise of a Brother, steps away from the slaughter at the temple’s heart as Hieronymous summons the cult to bind themselves to Mandragora’s creeping dominion. …

Resolution
Doctor halts execution and arms allies

The Doctor intervenes just as Rossini prepares to execute Sarah and Giuliano, revealing Federico's death and exposing the Brethren's threat. He asserts Giuliano's legitimacy as rightful ruler, causing the guards …

Start
Sarah’s fear of the missing Doctor proves justified

Sarah’s growing unease over the Doctor’s absence erupts into outright panic when his absence triggers the Brethren’s sudden attack. The moment she recognizes the masked figure as a shapeshifting energy …

Climax
Hieronymous demands final sacrifice

Hieronymous seizes the Brethren’s violent escalation as an opportunity to turn defense into offense. He halts the slaughter in the throne room and commands his followers to drag Sarah and …

Climax
Lunar darkness fuels Mandragora's rise

As the lunar eclipse darkens the sky above, Sarah and Hieronymous witness the portent unfolding outside through a fissure in the temple wall. Hieronymous seizes the celestial moment, channeling Mandragora’s …

Resolution