Meet PC Donal Lynch.Irish runaway. Insomniac. Functioning alcoholic.

Donal is new to working the beat in London, trying his best to forget that night. After all, there aren’t many police officers who can say they have a convicted murderer for an ex-girlfriend.So when a woman is murdered on his patch, Donal throws himself into the case. As the first person on the scene, Donal can’t forget the horrific sight that faced him – and he knows this case can’t go unsolved. But how do you solve a case with no lead suspect and no evidence?As his past catches up with him, Donal is forced to confront his demons and the girl he left behind. But what will crack first, the case or Donal?