Description:A dark pall looms over Greenock. DI Sutherland's one informant, DC Hunter's ex-lover, is dead, seemingly by his own hand, in prison, and the Pack's activities are accelerating. With his team in turmoil and the culprits always one step ahead, Sutherland takes the only course of action open: to go deep undercover and infiltrate the Pack in its den, a prominent local casino.It all comes down to this deadly gamble. Can Sutherland keep up his facade and evade the Pack's suspicion long enough to bring them down? Or will he fall to their machinations mixed with his own personal demons?