The SWAT team tries to determine the next diamond dealer to be robbed by a group of highly organized thieves executing heists across downtown Los Angeles. When Hondo is emotionally affected by a suspect’s death during the case, he seeks comfort from his mother. Street worries that his SWAT training academy instructor has a personal vendetta against him. Chris contemplates an unorthodox relationship offer from the new woman she’s dating.

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

When an armored truck heist ends in bloodshed, the team races to track down priceless jewels before more lives are lost; Hondo's mother, Charice, visits.