Founded with liberal provisions for religious freedom, America now has more cult activity than any other country. Following the stories of families who were formerly members of Mountain Rock Church, an abusive Christian cult in South Carolina, documentarian Ondi Timoner (DIG!) examines why intelligent people join cults and later find difficultly separating from them. Join Us also presents voices from inside Mountain Rock Church, including Raimund Melz, the cult's charismatic leader. "Affecting ... disturbing ... unforgettable" - LA Weekly.