After falling from a ladder and suffering a severe head injury, Aian loses her memory and forgets her husband's existence. Instead, she begins mistaking her father-in-law—constantly caring for her—as her husband. Unable to resist as she starts treating him like a wife would, he eventually gives in and takes advantage of the situation. Amidst this turmoil, the story unfolds with Aian's confusion and her father-in-law's inner conflict, weaving a heartbreaking tale of emotional turmoil and tangled feelings.