In Birmingham, Det. Marcel Walker works to unravel the mystery of a 28-year-old man shot in his home. After calling 911 from inside the victim's home, a woman suspiciously flees the scene. When detectives track her down, she finally leads detectives to the possible shooter whose testimony reveals a shocking twist.

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.