SWAT searches for a group of extremists carrying out coordinated attacks against local businesses. Also, Deacon and his wife, Annie, find themselves at odds when Annie wants to enroll their daughter, Lila, in private school.

As the SWAT team helps the LAPD search for the prime suspect in a woman's disappearance, they're joined in the field by a new team member, tactical medic Nora Fowler. Also, the personal strain between Chris and Street comes to a head as both await Hicks' decision on who the winner is of a prestigious leadership competition.