(Crossover episode with Without A Trace, Season 6 Episode 6.) Grissom and the team join forces with Jack Malone, an FBI Agent from New York to track a serial killer.

Jack follows the arrested conspirator to the police station in order to get more info on Kim’s whereabouts. Palmer meets with a reporter who has some damaging information. Kim realizes…

District Director George Mason (Berkely) shuts down CTU forcing Jack to escape in order to follow up on a lead on a conspirator. Nina and Jamie try to cover for…

Monk searches for a killer who is apparently targeting women with the name Julie, a name which Natalie’s daughter shares.

A writer living next to Mulder becomes obsessed with Scully and confesses to her that he is using her for a character in his novel. Scully finds herself strangely drawn…

Sayid is faced with a difficult decision, and Claire sends a warning to the temple inhabitants.

Jack, Sawyer, Kate, Miles and Hurley, struggling to save Sayid, face an ancient secret. Meanwhile, a fake Lock exits the chamber to everyone’s awe.

Kate finds herself on the run, while Jack is tasked with something that could put a friend’s life at risk.

A parallel universe, in which the crash never happened, is revealed as an aftermath of the bomb’s detonation. Meanwhile, Sawyer blames Jack for the loss of Juliet and the true…