When the owner of a shipping company is killed by a bomb down on the waterfront, the detectives are assigned to find out who is responsible. But feelings between Holloway and Goldie sour when he becomes involved with the wife of the dead man. Holloway insists she’s a grieving widow, but the woman is on Goldie’s list as a suspect. After failing to resuscitate a baby, Fiona resigns from the service deciding she is unable to trust her instincts following the discovery of the identity of the person responsible for the baby’s death.