The Unit goes into damage control following Kaye's disappearance, scrutinising the surveillance footage and following up the few leads they have a process that provides an unexpected lead. When Rocca informs Hollister the killer is possibly a member of the force, Hollister hauls the suspects in for questioning. Angie and Stone search for the evidence they need to make a conviction, but a horrific discovery leads to shocking repercussions for the whole unit.