Elena survives a devastating head injury with no recollection of her past, only to wake up in the opulent penthouse of charismatic Eason. Believing his gentle assurances that they share an enduring engagement, Elena dutifully plays the part of his loving partner, unaware that the mansion holds a sinister architectural design.
Separated only by a two-way mirrored partition, her actual betrothed Conrad sits bound in darkness, forced to witness their daily intimacy while spiraling into despair. As fragmented memories prick Elena's consciousness, she detects terrifying inconsistencies in Eason's stories, sparking a lethal battle of wits to uncover the hidden door and orchestrate their escape.
