A college student is gunned down in a doorway, and Tulsa Homicide detectives explore whether a feud between friends escalated to murder.

In Tulsa, a heated argument spirals out of control, ending in the shocking murder of a father of six. And in Gwinnett County, a young boy is the only witness to the violent abduction of his mother, leaving detectives racing to find her . . . before it's too late.