When Karen Drew is found sitting in her wheelchair staring out to sea with her throat cut one chilly morning DI Annie Cabbot on loan to Eastern Area gets lumbered with the case. Back in Eastvale that same Sunday morning 19-year-old Hayley Daniels is found raped & strangled in the Maze a tangle of narrow alleys behind Eastvale's market square after a drunken night on the town with a group of friends & DCI Alan Banks is called in. Banks finds suspects galore while Annie seems to hit a brick wall--until she reaches a breakthrough that spins her case in a shocking & surprising new direction one that also involves Banks. Then another incident occurs in the Maze which seems to link the two cases in a bizarre & mysterious way. As Banks & Annie dig into the past to uncover the deeper connections they find themselves also dealing with the emotional baggage & personal demons of their own relationship. & it soon becomes clear that there are two killers in their midst & that at any moment either one might strike again.