An apparent case of euthanasia finds Dangerfield in the awkward position of suspecting Dr Jonathan Paige , an old friend and colleague.

As AI's wedding day approaches, Dangerfield gets drawn into a complicated crash investigation and unwittingly becomes the victim of a disturbed woman.

Dr Jonathan Paige is immediately thrown into conflict with the new DI, Gillian Cramer, over a drunken teenage girl and a suspicious death.