In the aftermath of his decision to speak out in the press, Hondo retreats to a quiet town in Mexico to reassess his life and professional future, only to find himself reluctantly drawn into one local family's fight for justice.

Still in Mexico, Hondo teams up with a local cop for a dangerous rescue mission, only to find himself with a target on his back. Also, back in Los Angeles, Hicks considers disbanding the team for good.

When a robbery crew holds up the iconic downtown Los Angeles library, the team discovers that stolen architectural drawings could lead to a major threat against the city. Also, the squad is surprised by the arrival of a new leader, longtime LAPD veteran and former S.W.A.T. member Rodrigo Sanchez.

As the team races to stop a violent band of armed robbers, the search is complicated by civilians using a public safety app that encounters vigilantism; Street receives difficult news that alters his future.

When the team responds to a home invasion call, they uncover a murderous plot against a famous pro football quarterback; Hicks gets a long-awaited lead on a Jane Doe case he worked 20 years ago.

When armed gunmen storm the set of a controversial cable news show that promotes conspiracy theories, the team races to prevent a hostage situation from escalating on live TV. Also, Chris supports Street as he prepares for his mother’s funeral.

Hondo returns as leader; the team is pulled into a dangerous case involving a large stockpile of cash and the Russian mob; Daniel Sr. opens up to Hondo about a painful time in his past.

When an undocumented woman is violently abducted, the team forms an unlikely alliance to try and bring her home alive.

When Deacon enlists Chris’ help on an off-duty private security detail, they struggle to survive when they’re attacked by a drug cartel looking to kidnap their wealthy VIP client, on the new day and time.

The team must locate stolen rocket launchers smuggled into Los Angeles.