Sarah returns with her father and uncle to fix up the family's longtime summerhouse after it was violated by squatters in the off-season. As they work in the dark, Sarah begins to hear sounds from within the walls of the … Elizabeth Olsen, Adam Trese, Eric Sheffer Stevens, Julia Chan, Haley Murphy, Adam Barnett, Sergey Ershov Added on Amazon Prime 2023-07-28. Youtube Trailer