Detective Maurice Stewart investigates the murder of a 15-year-old boy who was gunned down after walking his younger sister home.

Det. Walter Edmond responds to a homicide where a woman is found dead from multiple gunshot wounds, and a couple at the scene leads him to a suspect. Surveillance footage and ballistics evidence link the suspect to two murders.

Amid the vibrant chaos of New Orleans' Mardi Gras celebrations, gunshots shatter the festive atmosphere of the French Quarter, leaving a man dead.

Early on Sunday morning, Detective Tanisha Sykes Smith responds to a man found deceased from multiple gunshot wounds alongside a building in the Lower 9th Ward.

Detective Rayell Johnson investigates the murder of a 42-year-old New Orleans native, who was gunned down in his truck on a stormy night.

With the help of Det. Johnson and Det. Stewart, Det. Diesburg pieces together what happened one Saturday afternoon when two young men opened fire on two teens driving down the street in a residential neighbourhood in the 6th district.

An online dispute turns into a physical fight that ends with a mother losing her life. As Det. Fyfe unravels names of possible suspects, he zeroes in on a gang that has been terrorising the city.

Detective Maurice Stewart investigates the murder of a woman, who was allegedly gunned down by her neighbour after an argument over cats and dogs.

Detective Nick Davis investigates a homicide in the French Quarter after an innocent bystander is shot and killed. With minimal evidence at the crime scene, Det. Davis tracks a car seen fleeing Bourbon Street moments after the shooting.

Detective Matt Riffle investigates the murder of a New Orleans native, who was shot and killed after a brief altercation. Meanwhile, Det. Tanisha Smith investigates the homicide of a young mother and the abduction of her daughter.

Lead Detective Nick Davis investigates a local artist found murdered in his home. With very little evidence, Detective Davis methodically pursues every lead until a lucky break points him toward a surprise suspect.

The New Orleans nightlife is shattered by a murder in front of a nightclub, the only clue Det. Rob Long has is an SUV fleeing from the scene. Meanwhile, as Det. Donnie Willyard investigates a double shooting, the suspect opens fire on the SWAT team.

Detective Michael Haynes responds to an aggravated shooting call that occurred after a custody exchange gone wrong. Days later, the gunshot victim succumbs to his injuries, and a suspect is apprehended by the US Marshals.

A night out turns into a tragedy, as Detective Matt Riffle works to uncover the circumstances that led to a father of six being fatally shot outside a nightclub.

With the help of Det. Johnson and Det. Stewart, Det. Diesburg pieces together what happened one Saturday afternoon when two young men opened fire on two teens driving down the street in a residential neighbourhood in the 6th district.

Lead Detective Joseph Herman works the case of a young woman who is senselessly gunned down after a fistfight live-streamed on social media goes wrong.

With the help of his partner, Det. Hill, Det. Stewart tracks down the killers of a good Samaritan who was attempting to stop a crime in progress.