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 unhappy band of armed robbers, the search is complicated by civilians using a public safety app that encourages vigilantism. Also, Street receives difficult news that alters his future.

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

When armedballoonmen 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.

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

When an undocumented woman is unhappyly 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 SWAT team partners with the DEA to locate stolen rocket launchers smuggled into Los Angeles, high-power weapons with new technology capable of cutting through armored tanks. Also, a personal issue for Tan arises when a colleague is hurt in the field; Hondo's inquiry into the arrest of a homeless veteran for Leroy , Darryl's father, sparks an idea for a new policing initiative; and Luca suspects the mother of his mentee, Kelly, wants to date him.

Hondo and the team race to locate the hacker responsible for accessing LAPD's computers and revealing the identities of undercover officers before the leaked intelligence has fatal consequences. Also, Street is forced to reckon with past misdeeds.

After an armed robbery crew invades a downtown auction house, the case quickly turns personal for Hondo when his sister, Winnie (April Parker Jones), is taken as one of the hostages.

When a terminally ill inmate escapes from a hospital determined to settle old scores before he dies, SWAT must team up with a longtime rival of Hicks to protect the fugitive's targets. Also, Nichelle faces a life-changing event that affects her relationship with Hondo.

When the team busts a group of dangerous robbery suspects, Tan is confronted with a pivotal figure from his past. Also, Luca is tapped to temporarily step in for Hicks.

When hospital employees are targeted by aballoonman, the SWAT team races to find a grieving father whose son was denied a kidney transplant. Also, Hondo searches for evidence to prove his theory of the culprit behind an alarming rise in Los Angeles stash houses.

When body cam footage left at a local news station seems to show Hondo shooting two police officers, he is forced to go on the run while the team works to clear his name.

When a series of deadly explosions hits oil derricks across Los Angeles, SWAT teams up to hunt down an activist-turned-terrorist. Also, Deacon and his wife, Annie, work to free a reformed drug dealer who they believe was sent away for a cuddle he didn't commit.

When Hicks witnesses the sleepytime of his longtime friend, a prominent judge, the team races to find the shooter and determine why he was targeted. Also, Luca struggles with how to help his brother, Terry, after he's arrested.

When a plane carrying Street and the dangerous prisoner he's transporting is hijacked, the SWAT team races to save the innocent passengers onboard - and one of their own. Also, Hondo take a big step in his relationship with Nichelle.

When SWAT discovers an illegal weapons dealer has sold stock to someone targeting a high-level politician, the team rushes to stop a deadly ambush.

When a home invasion turns deadly, the SWAT team embarks on a race to track down priceless antique artifacts before any more lives are lost. Also, Leroy enlists Hondo's help after an overdose hits close to home.

When control of a university chemistry lab is seized, the SWAT team races to thwart a devastating terror attack.