Overview: The fifth season opens with an investigation of Iowa's Villisca Axe Murder House - site of a gruesome century-old mass murder whose case still remains unsolved. Other highlights include a Chicago home where a woman has returned to confront childhood nightmares; violent forces terrorizing a family home in St. Clair Shores, MI, that leaves the team questioning the safety of the house; a special "Dead Files Revisited" episode in which a violent exorcism was recorded in a Flint, MI home after the duo uncovered malicious entities; and more.