When the relief carry out a routine raid on a nightclub, The Pink Cockatoo, Carver is suspicious after he suspects that a face from his past was present at the scene. Later, he stops a driver who appears to be a little bit worse for wear, and discovers that it is none other than his former CID DS, Ted Roach. Carver encourages Roach to provide information on Mickey Owen, the owner of the club, in return for being let-off the drink-driving charge. However, his leak to the police soon turns out to be the driving force behind a harsh beating, warning him not to give evidence. Meanwhile, Quinnan uncovers a body on the marshes, and Lennox discovers a link between the deceased and The Pink Cockatoo.