The lines between past and present blur as Hanssen tries to bring the hospital back from the brink. Gaskell's descent into chaos leaves Jac fearing for her life. Meena's crusade for truth faces a set-back when she loses the only ally she had left.

Fletch and Sacha race against the clock, even calling on some familiar faces for help in Jac's hour of need. Hanssen is determined to bury Gaskell's legacy but is forced to unlock its final secret. Donna is driven to make sense of her relationship with Xavier when he takes his personal pressures out on Jason.