The team is tasked with community policing while hunting for a local vigilante; Celina's instincts are tested; Tim and Lucy discover secrets about the two new rookies.
Ahead of Bailey's return home, John looks for clues to locate Jason Wyler; Tim and Lucy swap rookies; a friendly face resurfaces at the station; Wesley feels unsettled over Angela.
Following his stint at the LAPD, Wesley returns to the DA's office where his past connects him to the team's investigation; Bailey and John have conflicting feelings over safety; Lucy grows suspicious of Seth.
The team searches for a serial killer; Nyla struggles with the aftermath following the attack; Lucy's relationship with Seth takes a turn; Bailey battles her fear of Jason Wyler.
It's Valentine's Day, and Lt. Grey gives Tim and Lucy an unromantic assignment; John and Celina track down a missing girl; the team sharpens up for a charity gala where multiple relationships come to a head.
On Celina's last day as a rookie, John gives her one final test; Bailey makes a new friend; Lucy places her faith in Seth for an undercover assignment.
Nyla remains suspicious of Liam Glasser as a wildfire erupts, causing chaos in the city; James tries to help a friend; Seth makes a costly mistake, putting two of their own in danger.
John, Lucy and Angela investigate the suspicious stabbing of three teenage girls; the team experiences technical difficulties while managing a group of prisoners and a wild animal.
John and Celina find themselves in a hostage situation while under cover for a public safety initiative; while Angela and Nyla investigate the suspects, Tim challenges Lucy's decision-making skills.
An April Fools' prank on LAPD's social media leads to citywide chaos; John's T.O. skills are tested; Wesley is assigned a challenging case; Tim and Lucy play a joke on the team.
When anti-LAPD billboards emerge throughout the city, the team searches for who's responsible; a car bombing prompts an investigation; Miles reconnects with an old friend; John and Bailey assess their ability to adopt.
Tim receives a strange message, launching a larger investigation into the dark web; Celina works to take down a popular podcast; Miles helps update the department's training videos.
The team has mixed feelings when a familiar face returns hoping to prove himself; an influencer gets his fans to come after Wesley; Tim supports Lucy as she prepares for the sergeant's exam.
The team helps skip tracer Randy when his new love interest is kidnapped; Angela and Nyla enlist their moms to help catch a con artist; Wesley is threatened to drop a case.
John and Harper work together to catch Oscar; Angela investigates a bank robbery; Lucy and Tim learn to adapt to her new schedule; Miles' first date takes an unexpected turn.
The Dark Side
S2 E10
Officer Nolan and the team are charged with escorting a notorious female serial killer to the graves of her victims; Officer Chen meets a seemingly perfect man who sparks her interest; Officer Lopez worries about Wesley.
Day of Death
S2 E11
Officer Nolan and the entire team are in a desperate search to rescue Officer Chen after her abduction; Officer Lopez discovers Wesley unconscious from a dangerous cocktail of alcohol and pills.
Now and Then
S2 E12
Nolan takes his son's fiancée, Abigail, on a ride-along after she shows interest in becoming a police officer; Jackson's relationship becomes increasingly complicated.
Officers Nolan and Harper investigate a murder which may have national security implications; Officer Bradford must confront his past when he crosses paths with a homeless veteran.
Officer Nolan learns his identity has been stolen and could jeopardize his position as an officer; Sgt. Grey must testify at the parole hearing of the man who shot him and murdered his partner.
Officers Chen and Bradford respond to a call at the Los Angeles auditions of "American Idol" and Officer Chen ends up facing Ryan Seacrest and the judges; Chen befriends a reporter whose motives are not clear.
Control
S2 E17
Officer Nolan's relationship with his first confidential informant is tested when he discovers her back on the street dealing drugs; Lucy's fear of dating following her abduction is beginning to threaten her friendship with Jackson.