Callen and Sam resume their undercover identities 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 the part of Callen's... (more) girlfriend. Also, Callen's first meeting with Hetty is revealed.

Alicia Coppola, Charles Halford, Linc Hand, Patrick Kilpatrick, Rebecca Field, Rodney Eastman, Sean Harmon