The officers are trying to move on with their lives in the face of a tragedy when they discover a police laptop has been stolen, containing sensitive information. They set off on a hunt to recover the computer and prevent any dangerous fallout. When Andy, Nick and Swarek uncover a drug informant who may have been compromised by the leak -- and when Sam suspects the informant's motives -- it drives a wedge between Andy and Sam, unleashing pent up emotions.