On Sept. 13, 2010, Vince and Quinn respond to a shooting at a gas station where 19-year-old Ladeddrick Love was gunned down while his pregnant girlfriend and toddler were both in the car.

On Nov. 10, 2007, Quinn and Vince respond to a 911 call from Evelyn McGuire, who just found her husband, Dennis, shot to death in their backyard.

In Sept. 2004, Vince and Quinn are assigned to a cold case murder from three months before. Ernest Wilson and Lamar Francis were found dead inside a running SUV at an abandoned lumber.

On April 27, 2001, newly minted homicide detectives Quinn and Vince are called to a crime scene in Sylvan Hills; Dexter Freeman is the sole victim of a shooting at a trap house.

On October 6, 2002, Quinn and Vince receive a call about a young Hispanic male found shot to death in an unfinished apartment complex in Dixie Hills.

Vince and Quinn take a trip back to the year 1988 to help a neighboring town's police officer who asks if they will investigate his father's murder. After 28 years, the murder of Leonard Hill remained unsolved and the detectives set out to piece together this decades-old crime. Their investigation leads them to Hill's family where they unearth a shocking revelation.

Vince and Quinn help a new homicide detective who is investigating the brutal murder of an Atlanta woman. Their colleague thinks he has evidence of a confession from a suspect, but the detectives aren't so sure.

Vince and Quinn are assigned to a cold case of a man found shot to death in his car. They try to figure out who wanted the man dead.

Vince and Quinn are assigned to a year-old cold case murder of a man found shot to death in his car; after reviewing the case file again, a piece of original crime scene evidence surfaces, giving detectives a crucial clue to solve this murder.

Vince and Quinn are approached by a colleague for help in a cold case where a young man was found shot to death on a sidewalk; detectives will have to go the extra mile to find the owner of this car and ultimately the killer of this innocent victim.

A young woman is killed in a flashy car riddled with bullets in a quiet Atlanta suburb, and detectives Quinn and Vince can tell this was a shootout with multiple gunmen. However, they must determine whether the victim was really the intended target.

Vince and Quinn are called to a crime scene where a young man is found robbed and shot to death in his pick-up truck. They uncover a string of violence in the neighbourhood and will have to work quickly to find those responsible.

A shooting in a rap studio leaves one man dead and several critically injured; Quinn and Vince take over the cold case and must restart the investigation from the beginning to figure out who is responsible for the murder and robbery scheme.

Officers rush to an apartment complex for a robbery in progress, and they arrive on the scene to find a man who has jumped to his death; Vince and Quinn must determine who is responsible for this terrible outcome and why.

A botched robbery leaves one man dead and his girlfriend traumatized; Quinn and Vince learn that this is a string of increasingly violent crimes across Atlanta and must bring down a gang of emboldened criminals to save more people from similar fates.