Hondo confronts his resentment toward his ailing father when he and his sister try to convince their dad he's no longer well enough to live alone. Mumford intends to make Chris a surprising offer.

Jim Street debates whether or not his mother should live with him upon her release from prison. Hondo and the team are assigned to protect a high-profile Russian journalist who is visiting Los Angeles.

Hondo's life and career are threatened when his off-the-books surveillance of his godson's kidnapper is discovered. Street has trouble acclimating to his newly paroled mother.

Hondo and Deacon must evade a gang of armed mercenaries hunting them in the mountains following an ambush. Chris oversteps his boundaries in an attempt to help a female SWAT trainee who she suspects isn't being evaluated fairly.

A fake 911 call puts Hondo and the SWAT team on the hunt to stop bombing attacks. Street's relationship with his mother jeopardises his career, and Jessica is thrown a curveball by the president of the police commission.

As the team engages in a stand-off with human traffickers holding children hostage, an earthquake strikes Los Angeles. Plus, Jim Street struggles to adjust to life as a patrol officer.

SWAT teams up with Jim Street in a hunt for a mother and son who are on the run from a drugs cartel. Hondo makes a distressing discovery.

The team is enlisted to protect the jurors of a bribery trial by Deputy District Attorney Nia Wells after some members are targeted in a series of fire-bombings.

Hondo suspects an ulterior motive when his romantic interest's estranged husband requests the team's help in apprehending a fugitive, who is robbing drug cargo shipments. Meanwhile, Jessica is forced to implement departmental budget cuts.

Hondo and Chris try to infiltrate and take back a cruise ship that is under siege by drug smugglers. Meanwhile, Street enters the SWAT training academy and finds the competition fiercer than expected, with all applicants vying for the same position.

As thieves execute heists across downtown Los Angeles, the team tries to determine the next diamond dealer to be targeted. A suspect's death affects Hondo and Chris considers an unorthodox offer from the woman she's dating.