While covering up Lt. Skinner's sudden disappearance, Linden and Holder are assigned a new case: the brutal murder of an entire family with ties to a military academy.

Questioning a neighbor leads to a revelation about one of the murder victims.

Reddick digs deeper as Linden and Holder struggle to keep their investigation from going cold.

Linden and Holder focus their investigation on a new suspect, and a tip from an informant leads Reddick to a shocking discovery.

New information about the family murders surfaces. Meanwhile, Holder's loyalty is put to the test.