When Susan Powell vanishes without a trace, her husband claims to have no idea what happened. But many feel he may have had a hand in her disappearance. As her family searches for answers, the tale takes a tragic turn that no one sees coming.

When Susan Powell disappeared, it caused a tragic chain reaction that ended in the murder-suicide of her two young sons and husband, Josh Powell. Newly discovered interrogation footage and wiretap reveal some family dynamics that contributed to the story.