Garza and the team are on the hunt for a ruthless gang leader on a mission for revenge. Atlas comes to town to reconnect with Laura, but the two cannot seem to see eye-to-eye, and Simone and Carter grapple with letting go of old grudges. The crossover starts on The Rookie S05E17 The Enemy Within (I).
During a recent murder investigation of an investment banker, who was also declared murdered six years ago, the unit follows a suspicious trail that leads to new evidence on both cases. Meanwhile, relationships are put to the test as Fortune considers her future with Carter, and Brendon pushes his limits with Antoinette.
After a failed assassination attempt involving a bomber, Congressman Damien Roberts hires Garza’s team for protective detail while Brendon and Laura begin investigating potential suspects. Later, Damien and Simone rekindle their romantic relationship, and Brendon advances his relationship with Antoinette.
After a father and daughter are kidnapped on Thanksgiving, the team discovers a hostage situation involving police deputies. When the gunmen offer an exchange for the hostages, Simone is sent undercover by Garza, and Lopez arrives to help rescue Wesley. Meanwhile, Laura and Brendon search for a nanny cam that could reveal the identity of the kidnapper.
When Simone and Carter go undercover to find an international assassin known as The Reaper, a prisoner seeking bail recognizes Carter and nearly blows his cover. Laura and Brendon trace a lead on The Reaper’s assault rifle while Brendon works to heal his relationship with his father. Meanwhile, Simone’s demanding work schedule puts a strain on her relationship with Dina.
When the team splits up to question a suspect’s father, Simone and Laura discover critical information on how their abusive relationship is connected to the crimes. Following this lead, the team heads to Tucson to save the suspect’s newest target. Meanwhile, sparks fly with Laura and her former colleague, Mark Atlas, as they debate the killer’s motive The crossover starts on The Rookie S05E04 The Choice (I).