

It's 'Party of Five' run amok when the youngest member of an orphaned clan kills to keep his dysfunctional family together. The first murder occurs when they young man kills the boyfriend his sister is considering marrying. Her marriage would result in her leaving the family and that would be unacceptable. Throughout the episode, other people who pose such threats are quickly dispatched. Sam profiles the killer is someone who has felt loss and who is desperately trying to hold on to something he values. The VCTF eventually discover this decidedly unconventional family and at first, mistakenly believe the physically abusive eldest brother is the killer. Sam soon realizes, however, that there is another, more emotionally immature force at work. Bailey realizes his ex-wife is seriously involved and considering remarriage. Chloe is upset when Sam invites her new boyfriend, Paul, over for Christmas.
The day after Jack's clever escape from the prison after Samantha unsuccessfully tried to bait him and she killed Sharon instead, Samantha must look into herself in order to find him. Everything seems to point to her childhood which reveals that Jack has apparently stalked her all his life. Then, Jack abducts an infant, and tries to lure Sam into finding him in which the VCTF learns Jack's real identity (so it seems).
The team investigates a serial rapist-turned-murderer in Illinois, whose sporadic timing of the attacks puzzles Sam as well as the connection between his victims whom are left in the woods. Sam figures out that the killer is an angry and frustrated married man taking out his rage and frustration on about-to-be-wed women. Meanwhile, with Jack-of-All-Trades (Donald Lucas) finally captured and imprisoned, Sam begins searching for a new house for her and Chloe.