Nick Groffa paranormal investigator who's"on a mission to find something new in the paranormal field", and also paranormal researcher Katrina Weidman who'll spend 72 hours together locked in the many haunted locations. They are going to stay at those haunted places, many which have never been filmed for an manufacturing company with the dead. Plus some, they'll soon be researched for its very first time on television. Groff and Weidman believethat"the longer they stay, the longer the spirits will convey with them and also the further information they could gather about the unknown".