Peter Coventry Smith

The Intelligent Unit hunt for an arsonist whose actions left dozens dead and Olinsky's daughter in a coma.

Murtaugh meets his match in former CIA operative Wesley Cole. When Cole returns home and assumes duty with the LAPD, he finds himself navigating a new partnership with Murtaugh as he adjusts. Meanwhile, Avery continues his campaign for city council.

After a threat is made on Riggs's life, everyone is alert. Murtaugh takes on more responsibility, so he and Riggs have to deal with their changing relationship. Trish gets caught up in some trouble, and Molly asks Riggs to decide about their future.

On Murtaugh's first day on the job as interim captain, the wife of a popular businessman is abducted, and the squad finds a connection in the case to Riggs's father, Nathan. Meanwhile, Riggs is left to grapple with his family and work.