After several years as a Chicago beat cop, 32-year-old Abby Kowalski (Rachael Carpani) is more than ready to be a detective, but the only available opening is in Internal Affairs. The new job causes a huge rift within her close knit, blue-collar family of cops. In this compelling family drama, Abby and her very pregnant new partner, Lina (Marisa Ramirez), investigate a variety of cases ranging from corruption to narcotics to murder, involving cops and civilians who work for the Chicago Police Department. Rachael Carpani, Treat Williams, Kathy Baker star.
Abby and her family all have trouble dealing with the fallout from Richie shooting a teenage boy in the line of duty. Meanwhile, Abby gets the chance to work with one of her heroes when she and Lina try to uncover a mob mole.
Abby and Lina investigate an ex-con who's accusing a few police officers of harassment. Meanwhile, Abby faces her own harassment at work when the I.A. detective covering Richie's case propositions her in exchange for revealing details about the case. Sheila visits the mother of the boy Richie shot in an attempt to cope with her own grief.
Abby (Rachael Carpani) and Lina (Marisa Ramirez) investigate improprieties at the coroner's office when a woman's corpse goes missing but turns up in a twisted comedic video that goes viral online. If the body isn't found, the woman's murderer could go free.
When Abby and Lina investigate the case of a murdered stripper, they discover she was killed at a "members only" cop club house where Abby's father, Don, happens to be a member. Richie finds out about Brody and Abby.
Abby and Lina investigate an officer who is accused of stalking his female police psychiatrist. When the psychiatrist is shot, their focus shifts to her ex-husband. Meanwhile, Richie's ethics and loyalties are challenged when he is newly partnered with Edie, his father's former partner and an old family friend who plays fast and loose with the law. Abby is blindsided when her relationship with Danny heats up.
When Abby's (Rachael Carpani) attempt at CPR fails to revive a man who collapses in front of her and Lina (Marisa Ramirez) is unable to get through to 911, the two of them decide to investigate piles of delayed 911 response complaints. Meanwhile, Kowalski family secrets are unearthed when Donnie (James Thomas) tries out for the SWAT team.
While investigating a crime scene photographer who's been behaving erratically at crime scenes, Abby (Rachael Carpani) and Lina (Marisa Ramirez) stumble upon an unusual murder investigation of a beautiful model. The case brings up repressed childhood memories for Abby about her father's own struggles with the horrors of police work.
Abby (Rachael Carpani) and Lina (Marisa Ramirez) investigate one of their own. They look into whether Nikki, an undercover IA detective, may have gotten herself in too deep while posing as a stripper to infiltrate a corrupt cop's inner circle. Meanwhile, Brody (Andrew Walker) solicits Abby's mother Sheila's (Kathy Baker) advice on how best to woo Abby.
Abby (Rachael Carpani) and Lina (Marisa Ramirez) investigate a complicated case involving the apparent suicide of a Chicago Police Department officer, a stolen gun and sexual abuse allegations against the department chaplain. Meanwhile, Mackie (Mayko Nguyen) and Abby's brothers plan a surprise birthday party for Abby and battle over whether to invite Danny or Brody.
Abby (Rachael Carpani) and Lina (Marisa Ramirez) investigate allegations of dangerous hazing at the Chicago Police Department recruitment academy. Meanwhile, Don (Treat Williams) is wary of Sheila's (Kathy Baker) decision to hire reformed convicts to work with her at the bakery.
Abby (Rachael Carpani) and Lina (Marisa Ramirez) investigate Don's (Treat Williams) old partner Paul when his wife is mysteriously shot and Paul is the lead suspect. Lina worries that her relationship with Abby will change after she has her baby. The Abby/Danny (Chris Johnson)/Brody (Andrew Walker) love triangle heats up.