Box (2016)

Box. is a psychological thriller that follows a young couples journey while Kate, a girl next door kind of gal with a golden heart, moves in with her boyfriend Jacob, a hipster, plaid shirt wearing kind of guy. Upon unpacking, Jacob discovers a misplaced box in the attic. Curiously, Jacob opens the box only to discover Kate's past life. Intrigued by the box and Kate's mysterious past, he goes digging into her past without understanding the consequences of his actions.