The early hours of a freezing January night. Special Constable Jane Bell is at the end of a busy late shift when she's called out to investigate strange noises in a local park. She finds a wailing new-born baby girl dumped in a plastic storage box. That same night Detective Steph Warwick attends the murder of coach driver Bernie Gore, whose battered body is found in a narrow alleyway. The last thing Jane wants is to lock horns with Steph Warwick once...