S4, E12: Andy and Chloe are blindsided when they respond to a routine 911 call and an unseen shooter gravely wounds Chloe. After shots are fired at a subsequent emergency call, the officers realize they are the targets of someone with a grudge against 15 Division. Now they must continue to serve and protect the community while in the line of fire – and hopefully figure out who is hunting them before anyone else gets hurt. When Andy figures out that the shooter is Kevin Ford from the previous episode – the suspect that Marlo had been stalking in her manic state - Andy has a sinking feeling: her transgression in helping Swarek cover for Marlo’s actions may have come back to bite them all. Swarek and Andy realize that off-duty Marlo might also be in trouble and head off to find her before Ford can. Andy and Swarek find Marlo safe – but Oliver’s arrival at Marlo’s house brings him face-to-face with Kevin Ford…