NCIS: Los Angeles: Season 9, Episode 1 - ProjectFreeTV

9 - 1: Party Crashers

After Hetty turns in retirement papers and then disappears, Executive Assistant Director Shay Mosley arrives in Los Angeles to oversee the team and immediately makes staffing changes. Also, still mourning the death of his wife and living in a trailer on the beach, Sam is adamant that Callen find a new partner.