In Birmingham, Det. Jerry Williams and his team investigate the murder of a young man shot dead in an abandoned apartment. With little physical evidence, Williams must rely on witnesses to help him piece together the puzzle and find the killer. In Louisville, Det. Brenda Wescott investigates the unusual death of a woman shot dead on a residential street.

When a 16-year-old boy is murdered at his family's roadside taco stand, Harris County investigator Sergeant Henry Palacios is faced with one of the most tragic cases he has ever seen. Palacios is hot on the trail of his suspect, when another shooting turns the case on its head.