"Rogue" revolves around Grace, a morally and emotionally-conflicted undercover detective who is tormented by the possibility that her own actions contributed to her son’s death. Grace’s search for the truth is further complicated by her forbidden relationship with Jimmy, the crime boss who may have played a hand in the crime.A smart, complex, character-led thriller, "Rogue" explores loss, grief, identity, family bonds, second chances and redemption. Both Grace and Jimmy not only struggle with who they are, they struggle with who they want to be. Both cross the line – morally, emotionally, sexually – with devastating consequences for their own lives and those around them.
Grace is on a special FBI taskforce investigating a prostitution ring. Her home life is complicated by her mother, Vivian, who shows up after a prolonged absence. Tom has something to tell Grace. Ethan and team negotiate their first contract.
Grace confronts Elliot and Leni about her concerns for finding Sarah. Evidence is uncovered. Detective Lee becomes a liason. Elliot reveals to Leni the true nature of their investigation. Ethan, Ray and Spud find out about Cheat and take action.
Grace discovers Ethan hasn't been truthful about the night Cheat died. Leni reaches out to a Pentagon contact and discovers how Ethan and his team met. Detective Lee tails Ethan. Ethan and the team feel they're in danger. Billy and Evie grow closer.
Grace contemplates Elliot's proposal that she go undercover. Elliot confronts Leni about speaking to her Pentagon contact. Billy gets into a fight. Spud and Ray find a potential asset who can help them. Ethan meets with a contact to ask about Nina.
Grace receives a surprise visit from someone in her past which creates a new wrinkle for her with Ethan. Leni's Pentagon contact reveals new information. Grace finds out about Billy's fight. The taskforce plants a bug to spy on Ethan and his team.
Spud calls Ethan and Ray in a panic. Grace fills Leni and Elliot in on what she's uncovered from Ethan. Elliot runs into problems after he arrests a man on their suspect list. Alec tries to change the terms of his arrangement with Campbell.
Ethan reveals to Grace they borrowed money from the wrong men. Ray realizes something is wrong with Spud. Ethan, suspicious, digs into Grace's background. Grace tries to help Billy but it backfires. Spud and Ray have a heart-to-heart talk.
Ethan and Ray are forced to figure out what to do about Spud. Leni and Grace speculate about the money Ethan has given away. Ethan tracks Grace. Billy tries to win Evie back. Evie confronts Grace. Grace finds a new clue in the search for Sarah.
Leni and Grace make a surprise discovery in Vancouver. The truth about Cheat's death is revealed. Ethan and Ray follow their own leads to Vancouver. Evie decides to stay with Tom. Ethan and Ray disagree about what to do with the money.
Ethan and Ray fight. Grace apologizes to Evie. Leni and Grace discover the original source of Ethan's money. Sarah and Grace team up to track Ethan and Ray. Grace receives pushback when filing her report. Ethan is visited by high ranking official.
Tragedy strikes the Travis family. Tom tries keeping the family together. Grace convinces Jimmy he has a traitor in his organization. Mitch hesitates to help Grace. Jimmy discovers his money is missing. Max returns home. Jimmy and Grace make a deal.
A firebombing drops the Laszlos between a vengeful Chinese gang and justice-seeking police. Grace finds a link between Jimmy's organization and the shooting outside Sam's school.
Sam's death is linked to Jimmy's crew; Jimmy delivers a scolding to Alec; Capt. Campbell seeks dirt on Jimmy; Max receives word of the missing money.
Grace has a police insider trace the money found in Charlie's safe; Alec learns that Max will be taking over Charlie's business; Tom seeks comfort with Shelley; a masked gunman ambushes Grace.
Grace learns about the missing money from Jimmy before investigating the abandoned shooting range; Grace sends Tom and Evie packing; Grace gets into Santa Rita with Mitch's help.
Mitch warns Grace about confiding in Jimmy about her suspicions regarding Max. Max is aware of Grace's real identity and tells Alec. Grace and Mitch go to the parking lot where she was supposed to meet Michael Chen.
Grace must face the verdict of the internal affairs review board. Jimmy believes one of his sons is dead. Grace tries to comfort Jimmy. Grace's fingerprints are discovered on a gun.
Grace is jailed after being arrested for murder; Mitch and Wilson discover they share common interests; Tom is among the witnesses questioned by Hernandez and Campbell; Alec meets with Jimmy's crew.
The truth behind Sam's death is revealed. Jimmy meets with the Chinese. Grace confronts Sam's killer. Campbell and Jimmy come to an agreement.
Ethan returns to San Francisco hoping for a fresh start. But when Ray's brother asks for help, Ethan gets involved. Mia needs Marty's help to get her off a murder charge. Clea catches a businessman's murder that takes her down a rabbit hole.
Ethan has to navigate a dirty cop. Having escaped from federal custody, Mia's on the hunt for Ethan. Meanwhile, Patrick's on Mia's trail. Clea investigates Maria's murder.
Grace is still missing. Ethan heads to Chicago to investigate notorious attorney Marty Stein. DEA Agent Harper Deakins' investigation into one of Chicago's deadliest gangs takes a turn when a routine stakeout goes wrong.
Grace works to escape. Ethan reconnects with his father. Escalating gang warfare spills into the suburbs. Ethan investigates Marty's leak at a party, where he meets Marlon Dinard, who is not what he seems.
Grace heads to Chicago to work with Ethan. Marlon appears on Harper's DEA radar. Harper's CI, Lobo, is made. Ethan finds Marty's leak.
Lobo's death hits Harper hard. Ethan confesses to Marty why he's really in Chicago. Talia causes problems for Marlon. Grace and Ethan spy on Marty and the General, hoping for leverage. Grace follows a dangerous lead.
Talia is arrested, which causes a headache for Marty; Harper uncovers another clue in Hutchings' death; and Ethan searches for Grace and tries to rescue his father before it's too late.
Ethan and George work on their relationship while hiding from Roberts; Marlon strives to regain control following Cups' death; Talia tries a fresh start; and Harper follows the money trail, which leads her to Marlon.
Patrick investigates who shot at Harper, while she tries to trap Marlon. When this fails, she tries to flip Talia. Ethan turns himself in, but has an exit strategy in play. Harper's relationship comes undone.
Ethan rots in prison. Roberts is arrested. Marty and the General have a sparring match over dinner. Harper leaves Jack and stays with Patrick, leading her to a few revelations. Talia plans her next move after a fight with Marlon.
Marty refuses to help Marlon, whose business is in jeopardy; Harper questions Patrick; Ethan decides what's next now that he's free; and Talia sets up Marlon.
Harper keeps Patrick contained. Marlon is arrested for Talia's murder, with Marty coming to his defense. Ethan strikes a new deal with Marty, who learns Marlon betrayed him. Harper breaks the Hutchings' murder case wide open.
Ethan searches for a missing woman; Harper tries to turn Marlon; and Marty plots Marlon's prison release.
Ethan searches for Mia; Harper contemplates going rogue; Marty tries to have the warrant for his DNA tossed; and Marlon seeks revenge against Marty.
Ethan deals with an unexpected gunman and questions whether Mia can be trusted. In other events, Marty tries to contain the damage after the audio of Talia's death is leaked.
Ethan and Mia learn who the assassin is; Marlon contemplates going straight; Marty battles public opinion; and Harper harasses Marty's clients while trying to dig up dirt on him.
Ethan discovers that the Russian mob was hired to kill Mia; Patrick agrees to help Harper investigate Greg Barrett's murder; and Marlon tries to get his assets back.
Ethan questions why Marty wants Mia dead; Jen is kidnapped; Harper searches for Patrick, who's missing; and Marlon lies to Zipporah while continuing to help Ethan.
Harper and Lowry interrogate Russian mobsters hoping to find Mia, but find clues about Patrick instead. Ethan and Jen conduct their own investigation into Mia's kidnapping. Marlon attempts to hide his bullet wound from Zipporah.
Ethan discovers Tilda's plan to kill him, but gets the upper hand, interrogates her, and learns the truth. Marty forces a captured Mia to use the flash drive. Harper deals with the aftermath of the task force being shot up.
Ethan, Marty, and Mia scramble to get enough money to keep the Russian mob off their back. Harper and Patrick's investigation leads them to Tilda's dead body and Marty. Marlon fights for his relationship with Zipporah.