When two apparent strangers are found dead in two separate states in the same manner, detectives from different jurisdictions must prove how the two men are linked, and why they wound up dead.
A deadly domestic dispute outside of a home in Nashville appears to be self-defense. But when the detectives assigned to the case interview the shooter, one of the detectives goes against his partner's advice to prove an evil ruse.
Police outside St. Louis suspect a serial killer after finding the bodies of two women strangled to death. An anonymous tip they receive after going public with evidence found at one of the scenes lands an unlikely suspect in the interrogation room.
When a long-haul trucker away on business reports to police that he can't reach his wife, investigators go to the couple's house on a welfare check. When they arrive, they find a curious young man who points out a gruesome trail of evidence.
When a young woman is found dead in her own apartment, all signs point to suicide. But when a man comes forward to say it was really a murder, investigators must sort truth from lies.