A two-year-old child is reported missing. Her father and his estranged wife are questioned along with their son. Is it a simple kidnap case, or is there more than meets the eye?

The police are called to the Green Pit night club, where owner Kirk Hawthorne was assaulted, his sister Ziggy, who was using drugs, sustained very severe head wounds, putting her in a coma, and the body of Tom Yeoman, another user, was found in an alley. Ziggy's friend admits that Ziggy was high on drugs but Kirk denies that she used drugs.

The team investigates when a woman is raped by the canal. There have been two other recent assaults in the area and in each case the women were grabbed from behind by an attacker wearing a balaclava mask and gloves. The immediate suspect is a rapist recently released from prison, but the CCTV corroborates that he was at home at the time.

Wealthy Terence Holland, the terminally ill founder of Euthanasia Action UK, is keen to die and end his suffering. His doctor Melanie Standish calls the police when she finds him unconscious after she heard him argue with somebody. She presumed it was his estranged wife, who denies giving Terence the sleeping pills and morphine found in his bloodstream.

A young girl is stabbed in a park at night but manages to flag down a taxi which takes her to the hospital. The cab driver had no motive, but did not call the police. The team discovers not only that she is pregnant but also that she was sexually assaulted on a previous occasion.