S2, E7: After the devastating discovery of Luke’s infidelity with Jo, Andy McNally finds herself single again. And when a woman gets brutally attacked under Andy’s watch, she can’t help but wonder if her personal problems are clouding her professional vision. But when the details of the woman’s attack seem alarmingly similar to those of the unsolved Zoe Martinelli murder, Andy finds herself caught between the dueling theories of the very people that betrayed her: Det. Luke Callaghan and Det. Jo Rosati. When Luke is suddenly dropped from the case, Andy decides to follow Luke’s hunch – putting her own life in danger along the way. It’s all hands on deck as the officers from 15 Division set theirs sites on a predator and struggle to capture and keep him off the streets.