Miami detectives respond to the stabbing murder of an elderly man found dead in his home. After collecting key evidence on the crime scene and talking to witnesses, Detective Rolando Garcia starts to suspect the victim's emotionally unstable nephew may have committed the murder.

Dallas Homicide Detectives respond to a call about a body in the charred remains of a car. Digging into the victim's life uncovers a dangerous lifestyle with questionable friends. With each interview, a new piece of the puzzle is revealed and investigators take one step closer to the killer.