Troy Ruptash

Problems plague President Bartlet as he prepares to address thousands of school children, including a fire in a Russian nuclear missile silo, and lost communication with a Mars spacecraft.

As mobster Nicky Augustine (guest star Mike O’Malley) targets Winona (Natalie Zea) in order to convince Raylan (Timothy Olyphant) to turn over Drew Thompson, Boyd (Walton Goggins) and Ava (Joelle Carter) devise a clever ruse to dispose of a corpse that connects them to a murder.

Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.

Lisbon and Jane investigate the murder of a botanist who was working on a new strain of marijuana.

Stone and Robinette struggle to make a case against an Ivy Leaguer suspected of his girlfriend's murder.

The bodies in the morgue give voice to their own murder investigations as the CSI team try to find those responsible for the killings.