Hardass Detective Caitlyn Cat Sullivan, a woman hell-bent on finding her father's killer, is demoted to foot patrol for reckless driving, disobeying orders, and personality conflicts. Cat arrests Marseille born taxi driver Leo Romba, a highly skilled driver with a past. Accused of being a wheelman in a bank robbery, Leo begs Cat to make a deal: in exchange for proving his innocence, he will provide her with his driving skills and taxi. The unlikely partnership grows into friendship as they investigate a series of robberies, and Leo becomes Cat's confidant in her personal investigation of her father's murder. Written by Jiilo_Kim

Sasha Lowenthal, a famous handbag designer, asks Cat to work on the disappearance of her son Ian, an infamous socialite hell-raiser. When Cat and Leo find Ian murdered, their investigation reveals a world of high society ripe with family secrets. An internal betrayal leads to Leo's arrest by Immigrations and Customs Enforcement officers. Written by Jiilo_Kim

Cat helps Leo with is immigration problem and becomes his sponsor. Josef Wiesel, a holocaust survivor and friend of Leo's, is beaten to death. As Cat and Leo investigate, they uncover the truth about Josef's heartbreaking past, and discover that a mafia family with ties to Cat is involved in the murder. Written by Jiilo_Kim

Cat and Leo investigate the murder of a respected foster mother. Not much of a kid person, Cat's surprised by the relationship she develops with one of the foster children. Missing his own son, Nico, still in France, the case hits close to home for Leo. Cat asks Captain Baker to open an investigation into the mafia family, which she believes is being run by her childhood friend, Annabella Capella. Written by Jiilo_Kim

During a prison transfer, the truck is ambushed. Most of the prisoners escape and a few of them die including the driver. Cat soon realizes that the only witness to her father's murder was one of the few girls who had escaped the ambush. Cat and Leo then finds a way to find her and the other inmates. Cat sets her mum up on a date with her boss. Cat allows her ex-husband Gregg take credit for the ambush arrest if he helps her find Ellie Wilson and the undercover agent who had previously helped her. Written by Kunle Omomo

Cat's buried emotions are brought to the forefront when Amanda Pearson , the wife of the Park Slope Stalker, is found murdered. The stalker case made Cat famous, and almost got her killed. When Baker asks her to take the lead, she hesitantly agrees, as long as Leo stays by her side. What they uncover is another stalker out to kill Cat. Written by Jiilo_Kim

Three men are found dead under mysterious circumstances, but similarities in their physique and taste in watches seems to point to one murderer, a Black Widow. She mates and then she kills. Leo fits the profile of the victims and agrees to go undercover as bait to catch the killer, putting his life in danger. Written by Jiilo_Kim

Walking the streets of Brooklyn, Cat and Leo discover a dead man in a dumpster, or at least they thought he was dead. The man was exposed to some sort of weaponized toxin and his rambling words are Apocalyptic. The NYPD goes into high terror alert as they rush to control the possibility of mass exposure. Leo's convinced it's a Zombie outbreak, but Caitlyn uncovers a terrorist plot. Written by Jiilo_Kim

Caitlyn's mother, Frankie, lends a hand in an investigation of a shot maid who turns out to be a missing Venezuelan cop.

A blackout puts half of Brooklyn in the dark. Cat arrests Styx, a member of the Jungle K's gang. Trying to escape, Styx kills two cops in the precinct. Everyone becomes a suspect when Cat discovers it was a planned hit and someone in the precinct gave Styx a gun. It's an intense and explosive showdown when Styx's gang shows up demanding his release and gunfire rains down on the precinct. Written by Jiilo_Kim

Organised crime takes an unexpected interest in amateur basketball and a motorcycle courier's death reveals drug-running links.

Leo's looking forward to a visit from his ex-wife and son, but they're kidnapped by a French gangster with a grudge against the cab driver.