After a mansion break-in turns into a homicide, Murtaugh and Riggs set out to find the culprit. Murtaugh and Trish question their trust in Riana as she gets into some trouble with new friends. Meanwhile, Riggs recalls his troubling childhood and finds a true family with Molly and Ben.
Elenco: Clayne Crawford , Damon Wayans , Jordana Brewster , Kevin Rahm , Keesha Sharp , Michelle Mitchenor , Johnathan Fernandez , Dante Brown , Chandler Kinney .