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

When another of Hurley's operations goes wrong, Rob persuades Whitman to intervene.

As their relationship worsens, Rob tries to get Hurley to admit to his bungled operation.

With Rob on suspension, Polly faces a terrible dilemma.

Rob and Dr Hurley must put aside their differences to save the life of a baby.

Haunted by the needless death of a patient, Rob reaches breaking point.