The story follows Dr. Tyler as she treats a patient, Xander Corvus, who is suffering from an unusual condition where he is unable to reach climax. The narrative focuses on her unconventional medical approach to "curing" the patient. Key Details Alison Tyler:
In the final scene, the Doctor stabilises Leo by linking his timeline to the TARDIS’s heart, making the boy a permanent echo within the ship’s memory. Leo can never leave the TARDIS without unraveling, but he can live – and grow – inside its infinite corridors. Alison becomes a wandering companion, trading her old life for a new one: mother, healer, and keeper of the most fragile passenger in time.
