Alan fears that Charlie's womanizing is getting out of control.
A young boy’s mysterious disappearance on Halloween in San Diego has the BAU working fast to find the unsub and the victim.
Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.
Maura gains insight into her father; Korsak opens up about Cavanaugh's tragic past; Maura and Jane unravel a shocking secret about Paddy and Hope.
Things start looking up when Louis gets a billboard for the restaurant in an ideal location, but repeated vandalism causes problems; Eddie tries to get a girl's attention.