Sometimes, relatives share more than just similar physical traits. A grandfather's talent for swindling, an aunt's knack for aggravated assault or a father's flair for murder. EVIL KIN asks whether you can actually inherit evil from your family tree while looking at those relatives who share the same villainous tendencies.
Kenneth and Kari Allen were loving siblings from an all-American family. But a turbulent childhood tore them apart and sent them to two different worlds. Reuniting in December of 2004, the siblings begin a rampage of murder, mutilation...and incest.