Chris Kollias, Jim Pappas’ lawyer and the man Frank suspects of knowing more about Kevin’s death than he’s saying, is reported missing. While Cassidy and Tommy stake out a park to catch a flasher, Sykes accompanies the detectives to a caravan park to look for leads in their investigation of the death of a resident who was stabbed, drugged, and beaten before finally drowning. Inspector Brady informs Frank of Internal Affairs’ suspicion that Knocker was involved in Kevin’s murder. Rachel introduces Knocker to her family.