A few EMTs are having a coffee break when a man drives up and runs to them, covered in blood. He says his name is Richard Davis and that he's been shot. At the hospital, Richard tells the ER doctor that he offered a mysterious woman a ride back to her apartment when he saw her with a broken-down vehicle. After he dropped her off, he was ambushed and shot by an unknown assailant. Richard then succumbs to his wounds, leaving it up to Detective Redlinger and her team to track down the mystery woman that lured Richard to his death.

Stephanie Seabrum attempts to cash a check at a convenience store when she's suddenly ambushed by a man with a gun. He robs her, shoots her and runs off before Stephanie's boyfriend has time to react. Not long into the investigation of Stephanie's murder, Detective JD Stephens gets called in to yet another shooting. Two teenagers, Blanca Badillo and Policarpio Luviano, were killed in a drive-by shooting in the middle of a busy Atlanta highway. While the Atlanta Homicide team juggles two cases at once, they now must ask themselves a frightening question – are these cases linked?

Demetra Smith lives in marital bliss with her new husband, but her happiness is cut short when her stepdaughter finds her shot execution-style in her bed. Nicole Redlinger and the elite detectives at Atlanta Homicide set out to find her killer.

In the middle of a summer afternoon, the homicide team is called to the scene of a senseless murder. 9-year-old Annaijh Rolax was sitting in front of her new laptop when a spray of bullets hit her apartment, becoming an innocent victim of a drive-by shooting. Across town, construction workers find the body of another young victim. 15-year-old Shawn Powe has been shot twice and left in plain sight of a shortcut to school that his classmates frequently take. Now, it's up to the team to seek out justice for these young victims

When no one has heard from Candiace Person all day, her daughter goes to her home to check on her and finds Candiace murdered on her bedroom floor. When the Atlanta homicide detectives arrive on scene, they see that she has possibly been sexually assaulted, and her purse is missing. But detectives soon realize this is no ordinary murder. This meticulous killer took his time to stalk down Candiace and destroy evidence. Is there a new serial killer in Atlanta?

The Atlanta Homicide team is called to a crime scene when a body wrapped head to toe in silver tape is discovered at a church playground in an upscale Atlanta neighborhood. Once the victim's identity is unveiled, a twisted love triangle is revealed.