Cristos

Dexter's world is rocked when a rival serial murderer, dubbed the Ice Truck Killer, privately contacts him and reveals that he knows Dexter's grisly secret.

The residents of Wisteria Lane celebrate their annual holiday block party. Meanwhile, Gabrielle sets her eyes on a father of a girl she's coaching. Mike is arrested for Monique's murder. Thanks to Lynette, mothers of the neighborhood arrange a protest against Art. This causes his sister a heart attack. And Susan has to cook dinner for Ian's parents.

Gaby accuses Carlos of sabotaging her new relationship; Tom and Lynette try to make Kayla feel like part of the family; Bree's dinner guest shocks the Wisteria Lane residents.

When Angie realizes that she has free time after helping her family with everyday chores, she volunteers with a variety of charities. Feeling fulfilled, she soon finds herself joining more organizations than she can cope with, and George and the family must help her understand that they need and appreciate her too.

An inmate at a massive Miami prison complex is stabbed to death in the prison yard. Shortly after Horatio arrives on the scene, a helicopter appears above the correctional facility. He immediately fears that the murder was a decoy to set up an escape.

Eli takes up the case of a prisoner who is coincidently Keith's ex-client; Taylor and Matt take on a case of gay chimps in love - separated by their zoo's right wing board.