Once a teen killer in a gruesome murder-for-hire, Terry seeks redemption.

Patrick Pidock knows there's something dark inside him, and his daughter, Fawn, and those around him suffer from his sudden outbursts; he's warned that one day he'll kill someone, but no one knows how dangerous he is until he takes a life.

Elisabeth and Frank reconnect after years apart, and Elisabeth's mother, Cheri, watches as their toxic relationship blows up and leads to a devastating fire; when the smoke clears, one lies dead, and the other sits behind bars.

In 1990, two young men confess to a double murder. They claim they were assaulted and killed in self-defense. Thirty years later, the two men have very different stories of what happened that night — but only one is telling the truth.

Ashley brutally murders her own grandmother; she tears the family apart.

Lisa barely survives when her lover Corey attacks her, but the next woman does not.

Raised in foster care, Kristin and Brandon only had each other; Kristin struggles to understand how her big brother became a cold-blooded killer.

Audrey agonizes about why her brother murdered their mother and sister in cold blood.

A husband heads down a dark and violent path, ending in the brutal murder of his own parents. His daughter and wife want to know why.

Amy grows worried about her brother Joel's violent and erratic behavior, and his girlfriend, Melanie, suffers abuse at his hands; when a man is shot dead, Joel is engaging police in a lethal standoff.