In Louisville, a community is outraged when a married couple is gunned down at home in front of their two young children. Det. Kevin Trees and the homicide team hit the streets hoping the community's strong reaction to the killing will trump the neighborhood's long-standing code of silence.
When dismembered body parts are found floating in Miami's Biscayne Bay, Det. Orlando Silva and the Miami homicide team work around the clock to solve one of the most brutal murders South Florida has ever seen.
In Harris County, Sgt. Roger Wedgeworth investigates the gruesome murder of a homeless man found stabbed to death along Interstate 45. Without any witnesses or a motive, investigators race to find a suspect before the case goes cold.
In Miami, Det. Rolando Garcia is investigating the shooting death of a local homeless man, known for looking after his fellow transient friends. As the case begins to unravel and witnesses give up information, Garcia learns that the victim's commendable behavior may have instigated his death.
In Louisville, Det. Corey Cadwell and his team investigate the murder of a 28-year-old father stabbed to death while working his shift in a smoke shop. Detectives cross the Kentucky state border into Tennessee in search of three potential suspects who mysteriously fled just after the murder.
In Harris County, a family is devastated when their teenaged son is shot and killed after a confrontation outside of a high school party. After interviewing the party patrons, Sgt. Wayne Kuhlman and his team learn that the victim may have been mistaken for a local gang member based on the color of an item of clothing he was wearing.
In Louisville, a murder hits close to home when Detective Rick Arnold learns that the victim of his most recent homicide case is the brother of a good friend. If Arnold is to track down the suspect, he needs to discern between lies and truth--and real names and aliases. In Harris County, a popular teenager is gunned down on a residential street.
In Louisville, Det. Carl Payne and the homicide team investigate the murder of a young man shot to death in the middle of the street in broad daylight. When a witness leads Payne to a suspect with one eye, he is surprised to learn what may have triggered the homicide.
In Louisville, a sleeping family awakens to a barrage of bullets from a machine gun, leaving two young boys injured and a teenager dead. With no eyewitnesses, Detective Mickey Cohn must resort to old-fashioned detective work to solve one of the most brazen acts of violence he has ever seen.
In Harris County, Sgt. Craig Clopton and his team investigate the murder of man killed by a single gunshot while being robbed. With little evidence on the scene, they must rely on an eyewitness to help them identify their suspects.
In Cincinnati, Detectives Matt Thompson and Doug Lindle are investigating the double homicide of a local hairdresser and his elderly neighbor, both stabbed to death and set on fire. When detectives discover that one of the victim's cars is missing, they begin following a twisted trail of clues they hope will lead to the killer.
In Birmingham Det. Cynthia Morrow and the homicide team try to weave together the events of drug deal gone bad when two brothers from out of town get more than they bargained for. In Louisville Det. Kristen Downs leads the investigation of a possible gang-related shooting. But when no one is willing to talk, the team is forced to turn to forensic evidence to piece together the murder.
In Birmingham, Det. Eric Torrence investigates the death of a 24-year-old father-of-two shot in the street. 36 hours later Det. Cynthia Morrow is called out to the murder of a 27-year-old man found in an open field. While Torrence struggles to find anyone who will ID his suspects, Morrow runs into similar problems trying to locate the last person seen with her victim.
When a twenty-nine-year-old man and his paralyzed mother are shot to death in their apartment, Louisville detective Kyle Willett is called to the west side of town to lead the case. As the investigation unfolds, Willett and his team are shocked to learn what initiated the double homicide - a schoolyard fight between two teenaged classmates.
In Birmingham, Detectives Mike Allison and Cynthia Morrow investigate the tragic case of a mother shot in her car while her three young children sat in the back seat. As detectives close in on a suspect, they are stunned to learn what triggered the shooting.
In Miami Sgt. Altarr Williams and detective Frankie Sanchez investigate the murder of Darrell Harrell, gunned down for trying to push a group of drug dealers out of Overtown. Months pass without a lead as the team tries everything they can to keep the case from going cold.