Ventriloquist Week, Day 2: Jay Johnson jokes about evolution while his primate friend Darwin sings "Send in the Clowns" in his "native" tongue; a safe is thrown out an 8th floor window onto a 1996 Buick LeSabre; Kasabian performed "Empire."

Benson is called in after a young woman shows up at the hospital, raped and beaten with her head shaved. Haley Kerns refuses to submit to a rape kit, but Benson steals her underwear before leaving the apartment and gives it to Warner to check out. When Benson returns to her apartment she encounters Star Morrison, who admits that Haley is a federal informant working with them on eco-terrorism. After Stabler is wounded while out on a search with Morrison, Benson and she work to get information from Haley before the eco-terrorists can strike.

Ziva witnesses a bombing which kills two FBI agents and a Syrian informant. It's discovered this is a political assassination and the F.B.I. is now looking for Ziva. Ziva avoids the F.B.I. and contacts Gibbs, who is enjoying his retirement in Mexico, for help. The N.C.I.S. team, led by Tony, must prove that Ziva is innocent. Ziva, with Gibbs help, proves her innocence by capturing the bad guys and evidence.

Tonight Stephen welcomes New York Times columnist Frank Rich, author of "The Greatest Story Ever Sold: The Decline and Fall of Truth from 9/11 to Katrina".

The team is sent to Pakistan to help an undercover operative foil a terrorist attack on many cities. On the home front, Molly and Tiffy help one of Tiffy's former students and Kim and Bob welcome a new addition to their family.