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.
Arc Timeline
Season 14
14 eventsThe Doctor and Sarah survey the TARDIS’s smaller wooden console room, its brass and wood surfaces gleaming after years of neglect. When Sarah plays a jaunty tune on a recorder …
The time rotor’s collapse passes unstable Mandragora Helix energy into the surrounding landscape, hurling a jagged ball of turquoise fire into a nearby peasant. The blast vaporises the villager instantly, …
Giuliano confronts Hieronymous in the Duke's bedchamber about the astrologer's precise prediction of his father's death, dismissing the prophecy as blind ignorance. The exchange reveals Giuliano's growing defiance of his …
Giuliano seizes the moment to question Federico directly about the escalating peasant rebellion, probing for accountability after his uncle dismisses a dire astrological warning. Federico deflects with vague accusations against …
The Doctor slips from his pursuers’ sight, abandoning a stolen horse before vaulting over a balustrade and descending steep medieval stairs into San Martino’s maze of alleys. Past a building …
Sarah lies bound on the temple altar as the Masked Man raises the sacrificial dagger but the blade strikes only stone. The Doctor’s secret presence emerges to snatch her away …
Hieronymous discards his Demnos mask in a cloistered temple chamber, revealing his naked ambition to the Priest. After failing to secure immediate power from the Mandragora Helix, he makes a …
Count Federico makes his move while Giuliano distracts Sarah with a grand scientific idea about the Earth’s shape. Federico’s armed men cut off their escape, blocking the paths as he …
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 …
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. …
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 …
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 …
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 …
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 …