Following revelations about his son, Ryan loses his temper, and Jake witnesses a darker side of his mentor. Carl's chaotic personal life threatens a high-stakes case, and a runaway iguana plays cupid for Lino.

Jake realises he can't trust his boyfriend anymore. Robert is forced to confront his marital betrayal. A ex-squaddie who is suffering heavily from PTSD loses his grip on reality and puts the squads life in danger.