The whole precinct's holiday celebrations are cut short when they're called to examine a ruthless homicide linked to Eddie Flores (guest star Raul Casso), the deranged nephew of a notable drug lord who has a previous history with Riggs (Clayne Crawford).
The holiday season weighs heavily on Riggs, who flashes back to past Christmases with his former wife, Miranda (guest star Floriana Lima). Murtaugh (Damon Wayans) is also a little preoccupied with his neighbor's obnoxious holiday decorations.