When violence erupts at a popular food truck festival, the team must contend with a deadly cartel determined to recover a large lost drug shipment at any cost.

When faced with a series of random shootings, one SWAT member’s family connections could be the key to stopping the next attack. Also, Hondo prepares to meet Nichelle’s parents for the first time, and Tan helps Luca navigate a sensitive situation.

The SWAT team races to stop a gunman targeting rehab centers and those he considers responsible for his brother’s death. Also, Deacon is caught off guard when his wife, Annie, makes a parenting decision that has unexpected consequences for their daughter.

SWAT hunts down a Chilean arms dealer after he kidnaps a woman and her daughter from a party in L.A. with unexpected intentions. Crossing paths with his brother, Tan is forced to come clean to his family about his divorce from Bonnie, while Hondo discovers that Hicks has received a job offer that could lure him away from SWAT.

After the shocking shooting of a member of 20-Squad, Hondo and the team launch a citywide manhunt for the robbery crew responsible. Meanwhile, Deacon's plans for his future hit a snag, and Powell and Alfaro clash over a tricky issue.

As 20-Squad scrambles to track down a cold-blooded sniper terrorizing Los Angeles, Hondo discovers a link to his own South L.A. neighborhood that brings a personal twist to the hunt for the deadly shooter. Meanwhile, Tan finds himself questioning his leadership abilities while Powell and Alfaro compete in a classic game of SWAT tag.

Tan finds himself on a one-man mission to save his new love interest and her journalist co-workers when mercenaries take over a black-tie correspondents' dinner. After the group escapes, it's up to SWAT to track down the well-trained gunmen.