Junior doctor Rob Lake starts work in a maternity unit and witnesses the negligence of an incompetent obstetrician.

When another of Hurley's operations starts to go wrong, Rob persuades Whitman to intervene before it's too late.

Rob attempts to persuade Hurley to admit to his bungled operation. However, it's a lot harder than it sounds.

With Rob on suspension, Polly faces a terrible dilemma when Hurley puts the life of a mother and child in danger.

Haunted by the fact that he's killed a patient, Rob reaches a breaking point, while Hurley bungles another woman's care but remains in the running for a promotion.