The apparently happy Harrogate family is torn apart when they return home to discover their daughter, Emily, dead. Connor and Satchell begin to sift through the case and discover that the family isn't as stable as it first appeared. Connor appeals to Walker for some backup, who is having problems of his own with his own son Richard. Secrets are soon discovered and fragile relationships are tested in the process of ensuring justice is done.

A young school girl is raped and murdered, but D.C.I. Connor still has no leads a month into the investigation. When Walker orders a review of unsolved cases, they turn up similar cases of raped and murdered teenage girls over the last ten years, and they find themselves searching for an apparent serial killer.

A young school girl is raped and murdered, but D.C.I. Connor still has no leads a month into the investigation. When Walker orders a review of unsolved cases, they turn up similar cases of raped and murdered teenage girls over the last ten years, and they find themselves searching for an apparent serial killer.

A serial rapist is targeting the black community by raping white women with black boyfriends. When an attack ends in murder and the boyfriend is cleared, Walker brings him on to the investigation to help, but could Connor's relationship with a barrister working on the case jeopardise the investigation and the subsequent trial?.

A mother returns home from work to find her baby girl dead in her cot, and her nanny has Vanished. D.C.I. Connor and the team take on this emotive case involving this ultimate abuse of trust. With the nanny on the run, it seems an obvious conclusion. But the more they investigate the case, the more complicated it becomes and they find themselves wondering who is the real victim and who can they really trust?.

A mother returns home from work to find her baby girl dead in her cot, and her nanny has Vanished. D.C.I. Connor and the team take on this emotive case involving this ultimate abuse of trust. With the nanny on the run, it seems an obvious conclusion. But the more they investigate the case, the more complicated it becomes and they find themselves wondering who is the real victim and who can they really trust?.

The murder of a Police Commander and his wife puts Walker, Connor and the team under pressure to get a quick result. Jewelery has been stolen from the house, which would indicate a burglary gone wrong, but several relatives profit from their deaths and so they focus the investigation on the family. Connor is suspicious of the identical twin sons in particular and suspects that they may have worked together in order to get away with patricide.