The primary police action follows the pursuit of , a "sovereign citizen" radicalized into a domestic terrorist plot.
Parallel to the city-wide threat, the characters face internal and domestic struggles: [S4E8] Hit and Run
: The team goes on a city-wide manhunt after Reynolds threatens a mass casualty event. The primary police action follows the pursuit of
: His sister, Genny , arrives unannounced with news that their abusive father is dying. This forces Tim to confront long-buried childhood trauma, with Lucy Chen caught in the middle as she tries to help him find a path toward healing. This forces Tim to confront long-buried childhood trauma,
In Season 4, Episode 8, titled " Hit and Run ," the LAPD squad is thrust into a high-stakes hunt for a domestic terrorist while navigating deeply personal family conflicts. Originally aired on December 5, 2021 , the episode is notable for its creative use of "found footage" styles—utilizing body cams, cell phones, and surveillance video to heighten the intensity of the search. The Terrorist Threat
: The couple continues to clash over Wesley’s dangerous deal with the crime boss Elijah Stone. "The Rookie" Hit and Run (TV Episode 2021) - IMDb
: The case escalates quickly, requiring the squad to piece together his location through various digital footprints before he can carry out his attack. Personal Battles and Family Trauma