 Fitz and the police investigate the brutal murder of a nosy landlady and a social worker in which evidence points to a troubled juvenile delinquent and his factory worker boss whom have formed an "unnatural" association and killing people they see to keep them apart from each other, leading to Fitz to try to defuse a standoff between the youth and his former stepmother. Meanwhile, Tyler announces her engagement to Dale while Lt. Fry announces his promotion to chief detective, while Fitz s home life gets worse when Judith becomes jealous about all the time he s spending around Tyler and the other detectives.