The Harrelsons engage in a tense family reunion when Hondo's older sister, Winnie, begrudgingly arrives in Los Angeles to see their sick father for the first time in decades. Also, the SWAT team searches for an abducted Middle Eastern human rights activist; Luca's food truck business hits a snag; and Street worries that dating Captain Hick's daughter, Molly, will negatively impact his career.

The SWAT team engages in tense negotiations with a family that takes a local officer hostage when they're evicted from their home due to eminent domain. Also, Hondo reflects on his personal life choices as he helps his father through a medical crisis and Chris' relationship with Kira and Ty reaches a critical juncture.