Danny and Baez investigate when a star student is found dead in her dorm. Eddie and Badillo try to help a man whose apartment has been taken over by a squatter — who also happens to be Jamie's confidential informant. Frank suspects the Governor has an agenda when he comes to him with a proposal. Erin oversteps when she tries to play matchmaker for Anthony.
Danny and his nephew investigate the homicide of a delivery driver who may have been connected to an illegal narcotics ring. Eddie is determined to save the job of a probationary police officer who may be fired for responding to a crime. Frank faces a hard decision when he discovers Gormley is non-compliant with NYPD residency requirements. Erin clashes with her boss when a seemingly rehabilitated criminal from an old case becomes the subject of an armed robbery investigation.
Frank intervenes when tensions rise between Mayor Chase and the Fire Commissioner. Erin is blindsided when Henry agrees to testify for the defense in a case she is prosecuting. Danny and Baez investigate when human remains are discovered in a storage unit. Eddie and her partner navigate a complicated arrest when their criminal offender is scheduled to donate his kidney.
The Reagans' professional lives converge when an allegation of jury tampering against Erin intertwines with Danny and Baez's homicide case and Eddie's bond to a child murder witness. Frank clashes with his friend and confidant Archbishop Kearns over the death penalty. When Jamie's car is stolen, he joins forces with his nephew to recover it.
Danny and Baez are on edge when a serial killer, who once targeted Baez and her daughter, is released early from prison. Jamie and Anthony team up on an investigation involving one of Anthony's criminal informants, his ex-wife’s brother. Eddie clashes with Captain McNichols over a sergeant who keeps downgrading her cases. Frank is upset when Abigail goes behind his back regarding a professional favor for her husband.
Jamie works to bust a group of scammers who use artificial intelligence to defraud the elderly. Danny and Baez investigate a series of mysterious deaths at a hospital. Anthony is determined to take down an attorney who exploits the law for his own financial gain. Frank disapproves when he learns Gormley is planning to face off against fellow officers in a friendly boxing match.
Danny reunites with a troublesome teenager from a past case when the youth finds herself in danger. Frank faces a difficult personnel decision close to home. Jamie grows suspicious when Henry is asked to be interviewed for an investigative web series. Erin and Anthony investigate when Erin is the alleged target of a shooting.