In 1920s England, a kindly American widow named Auntie Roo hosts lavish Christmas parties for orphaned children at her mansion, Forrest Grange. However, behind the facade, Auntie Roo is a disturbed woman harboring a dark secret: the mummified remains of her daughter in the attic. When her eyes fall upon a little girl who resembles her daughter, she imprisons the child in the attic.

Whoever Slew Auntie Roo?
A widow, concealing a sinister intent, invites unsuspecting young people to her opulent estate, leading to a harrowing and unnerving face-off.