Andrew Connolly

Desmond coaxes Charlie, Hurley and Jin on a trek across the jungle; Kate turns to Sawyer after seeing Jack alone with Juliet.

A crime scene poses a security risk when the team discovers the location was used to create a deadly toxin that is now missing.

In the first part of this two-part episode, a long-brewing family squabble leads to a stabbing in a mall on Christmas Eve and the accidental death of a patriarch in a case that threatens to derail everyone's holiday plans. Brenda is especially put out, since her parents (recurring guest stars FRANCES STERNHAGEN and BARRY CORBIN) are in town, and they have a very special announcement. Recurring guest star MARY McDONNELL appears as Captain Raydor.

In the second part of this two-part episode, a blood feud within a refugee family from Kosovo results in another victim, forcing Brenda and her team, along with Captain Raydor (recurring guest star MARY McDONNELL), to continue their investigation on Christmas Day. But Brenda's attention is diverted when the RV driven to Los Angeles by her parents (recurring guest stars FRANCES STERNHAGEN and BARRY CORBIN) is robbed, including all the holiday gifts stored inside.

Samuel discovers how powerful he can become; Tracy starts to lose control of her ability; Matt and Sylar's battle continues.