Troy Ruptash

While the Russian government claims an explosion in its country occurred at an oil refinery, evidence proves it happened at a nuclear facility.

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

The death of a young botanist leads the CBI team into the lucrative world of medical marijuana, while Cho's work with the rapid response team brings him back into contact with his former girlfriend and confidential informant, Summer Edgecombe (returning guest star Samaire Armstrong).

Dets. Logan and Greevey investigate the brutal beating of Paige Bartlett, a beautiful young woman from an upper class family. They visit her ex-roommate and friend, Polly, who divulges that Paige had broken up with a long-time boyfriend, and recently started dating a man below her social register. After Polly dies in the hospital, the medical examiner reports that Paige had sexual intercourse with two different men the day she was attacked. One, her lower-class current boyfriend, the other her ex, Ned Loomis, who hails from an upper crust Manhattan family and makes for an unlikely murder suspect. Or does he?

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.