House of Dust (2013)

Plot

A group of college students ventures into a deserted mental asylum, where they inadvertently break open canisters containing the ashes of former patients. As the dusty remnants swirl around them, the students become inhabited by the vengeful spirits of those long gone. Among these restless souls is a notorious serial killer from the 1950s, whose dark influence begins to unravel the group's sanity. As the line between reality and possession blurs, they must confront the terrifying legacy of the asylum before it consumes them completely.