Ash returns to work following his violent encounter with Yorkie and becomes convinced a big shipment of drugs is being planned. Cartwright is sceptical, so Ash secretly begins to investigate on his own. Kim is horrified to discover that ex-boyfriend Connor has used their relationship to feed intelligence to Stannard, while extensive surveillance on Docker yields nothing, but the discovery of a new player keen to muscle in on Roach's organisation could lead them to finally putting a face to the figure at the top of their board. (thetvdb.com)