After a high-powered real estate developer is killed by a moving subway train, his widow hires McCall to investigate his death. Meanwhile, Aunt Vi and Dee visit an old neighbor living in a nursing home who may need their help.

McCall races to find Dante when he’s abducted by a pair of panicked deputies who fear reprisal, after they detained Dante without cause and used excessive force before realizing he’s a fellow cop. Alone and injured, Dante experiences hallucinations that reveal his complicated childhood.

When Aunt Vi is the lone juror on a murder trial who believes the defendant is innocent, McCall covertly investigates the case to find proof that Vi's instincts are correct.

McCall and Mel work with a jaded ex-cop to find the killers of a beloved Chinese American restaurant owner, who was the victim of a hate crime masked to look like an accidental electrical fire.

McCall finds herself in the crosshairs of a foreign government’s intelligence agency when her friend Mira, a diplomat’s daughter, seeks McCall’s help to find her missing brother. Also, Dante faces suspicion from a fellow detective newly tasked by the district attorney to find the vigilante knows as the Equalizer

McCall is hired by a concerned mother who suspects her teen son has joined a local gang, leading McCall to the boy’s surprising motivation behind his spiraling behavior. Also, Delilah faces anxiety as she prepares to speak at her friend Jason’s memorial service, and Dante worries when the new detective pursuing McCall sets his sights on unmasking the people closest to her.

McCall comes closer than ever to being captured when she races to prevent the murder of District Attorney Grafton, the prosecutor seeking to bring her to justice

McCall receives a desperate plea for help from her former CIA trainee, now a full-fledged agent, that leads her into a confrontation with Mason Quinn, the most dangerous enemy from her past in intelligence. In need of confidential information about the agent's latest assignment, McCall forms a tentative alliance with Carter Griffin, a by-the-book CIA handler.

McCall's vigilante work further complicates her personal life when she is forced to ask her ex-husband, Dr. Miles Fulton, to help with a gunshot victim: one of two women being hunted by thieves after they witnessed a robbery.

McCall, Mel and Harry take a leap of faith when they help a self-proclaimed psychic, Julien, find his missing sister who he says is in imminent danger, according to his visions. Also, Delilah's PTSD returns as she struggles under the weight of keeping McCall's secrets and her worries about her mother's safety.

McCall’s determination to apprehend Mason Quinn, the criminal responsible for Bishop’s death, veers into a dangerous obsession that could cost her everything. Also, Delilah finally meets her mother’s vigilante team when she requires Harry and Mel’s help to prove a fellow classmate made her best friend a victim of revenge porn. Second season finale.

McCall and Dante's relationship is tested when a conman the NYPD has been building a years-long case against kidnaps a relative of McCall's client and forces him to assist in a heist in order to save them.

After a string of antisemitic hate crimes terrorizes a local community, Harry reconnects with his Jewish faith as he leads the team in finding the culprit before they attack again. Also, McCall must calculate what extremes she will go to in order to win custody of Delilah.

McCall races to save the team after they're put into extreme danger by her former CIA colleague Michelle Chambers while she discovers the truth behind the CIA withdrawal in Venezuela that led to the death of one of her friends.

Dee asks McCall to help find her transgender friend when the teen goes missing. Meanwhile, Dante is surprised when Big Ben's parole officer approaches him to chaperone his father for an out-of-state trip.

When a conman from Dante’s past attacks a prison transport, McCall and the team race to take him down. Meanwhile, Aunt Vi and Dee’s girls’ trip is suddenly derailed when they find a woman squatting in their home, and Harry risks his relationship with Mel when Fisk pulls him deeper into his secret mission.

Mel goes undercover as a volunteer for a rising politician when McCall tries to help a despondent college student being threatened by someone inside the candidate's campaign. Also, McCall worries when Delilah starts hanging out with a young girl who served time in juvenile detention and reminds McCall of her own troubled youth

An overseas call for help from the daughter of McCall's deceased CIA mentor forces McCall, Mel and Harry to work remotely to aid the conflict journalist as she's pursued by a hit squad in France. Also, Aunt Vi becomes suspicious when McCall skips out on another family night for work.

McCall's personal and professional lives collide when Delilah and her friends are threatened by a European crime syndicate for being eyewitnesses to the outfit's execution of a drug cartel boss.

McCall is hired by an online group of true-crime enthusiasts to find the anonymous stalker of an unsuspecting NYC woman when the criminal claims he will murder her in eight hours

Mel’s past military expertise proves critical when McCall is hired by District Attorney Grafton to find a sniper on a killing spree, seemingly selecting victims at random. Also, Delilah experiences PTSD when the sniper shootings cause her to relive the trauma of her friend’s fatal shooting.

Bishop comes to McCall, Harry and Mel for help when a terrorist from his past uncovers the identity of his adult son, a young man Bishop has kept secret for decades to safeguard him from his intelligence work. Also, Aunt Vi becomes nostalgic about a past romantic relationship when she receives a surprise visitor

McCall and Mel help a deported woman track down her son after she was separated from him while seeking asylum at the U.S. border. Mel, McCall and Bishop exhaust every avenue to get Harry released from prison.

McCall becomes ensnared in a deadly battle between rival rap crews when she is hired by the wife of a famous rapper, Dilemma, to prove the musician is innocent of murdering a fellow artist.

McCall helps a mob accountant, Bert Singer, scour the city for a lost ledger of evidence he must provide to the FBI in exchange for entrance into the Federal Witness Protection Program. Also, Mel frets over how to tell her best friend, who comforted her for years about Harry's death, that Harry never died at all.