Paola Lázaro

Cole confronts his past when his former mentor, Tom Barnes, delivers alarming news; Cole and Murtaugh investigate a robbery of safe deposit boxes; Murtaugh clashes with Trish's new client and enlists Bailey to help investigate her.

Murtaugh turns to Cole's former mentor, Tom Barnes, for help on a high-stakes cartel case; Murtaugh and Trish meet Natalie and Maya for the first time; tensions mount between Bailey and "The Gute," as the new partners begin to work together.

While Cole gets into the holiday spirit for his first Christmas with Maya, Murtaugh hopes he can convince RJ to come back home from Costa Rica for the holidays; Cole and Murtaugh are saddled with a complicated burglary and home invasion case.

When Cole and Murtaugh investigate a case involving a father and daughter crossing the Mexican border, they end up uncovering a major issue with California Border Patrol; Trish prepares her campaign for D.A.

Against Murtaugh's advice, Cole reaches out to Tom Barnes for help with a case that hits close to home; Murtaugh and Cole's partnership is put to the test; Trish prepares to announce her campaign for district attorney.