When Ellen, the matriarch of the Graham family, passes away, her daughter's family begins to unravel cryptic and increasingly terrifying secrets about their ancestry.

Found footage helps a true-crime novelist realize how and why a family was murdered in his new home, though his discoveries put his entire family in the path of a supernatural entity.

Police commissioner Funes and three researchers of supernatural phenomena investigate inexplicable events that are occurring in the suburbs of Buenos Aires.