Callen and Sam work undercover as a prisoner and guard to infiltrate a white supremacy group believed to be in possession of stolen nuclear material. Kensi transforms herself into a tattooed biker chick to play Callen's girlfriend. Meanwhile, Callen's first meeting with Hetty is revealed.moreless
Six diverse NYPD rookies patrol the streets of upper Manhattan under the tutelage of their Field Training Officer. Each of the rookies has a unique background and personality and reason for joining the force. It's up to the rookies to learn from their mistakes and figure out how to relate to their boss, each other and the people they swore to protect.moreless
Lincoln works to retrieve the final card, which is being held by the General.
Michael and Self are forced to work with Gretchen. Meanwhile, Roland continues to be berated for losing the transcribing device in Las Vegas.
Nate hangs with some high school friends but finds that as adults, they share little more than teenage memories; Ruth gets relief from George's daughter Maggie; Brenda is reluctant to accept Margaret's help and struggles in her new internship; David and Keith's latest baby dream starts to resemble a nightmare; Claire bemoans being pigeonholed by her art; Billy defends his career but secretly wonders what happened to his old self; and Rico, mortified that he couldn't take a dating hint, seeks sympathy from Vanessa.moreless