LL COOL J (Special Agent Sam Hanna) and Chris O'Donnell (Special Agent G. Callen). When the NCIS: LA team and the DEA uncover the cartel’s plans to slyly transport billions of dollars’ worth of cocaine from Colombia to the United States using a submarine, Callen and Sam must quickly locate the missing vessel. Meanwhile, Hetty is called to Washington in the aftermath of the controversial mission in Afghanistan, on the fifth season finale cliffhanger of NCIS: LOS ANGELES, Tuesday, May 13 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Photo: Cliff Lipson/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.