A dangerous serial killer sends a video to the team, detailing one of his gruesome crimes, and asking the team to help him stop his deadly ways.
When a woman's burned body is found in a car with evidence that her child was kidnapped, Brennan and Booth's investigation leads to a suspect who is in the Witness Protection Program.
Susan gets lost in the woods trying to find Mike; Gaby winds up in jail; Lynette realises that she loves another man.
Tom feels a new Scavo's Pizzeria employee's interest in Lynette threatens him; Susan considers moving from Wisteria Lane.
Susan goes to the therapist and realises she must choose between Ian and Mike; Travers is having a birthday party which only spells trouble for Mrs McCluskey.