Department store manager Masami was raised in a strict upbringing where showing emotion was a sign of weakness. Because of this, she could not mourn the loss of her long time boyfriend, Hideki. His ghost sees this as an act of betrayal and sets out to make her grieve for him. After he assaults her, she is cursed never to sleep again until she mourns. With nowhere else to turn, Masami calls up her childhood friend, Jurou, to help lift the curse. Things take a difficult turn when Hideki possesses the psychiatrist to carry out his mission. Now, Jurou must fight to keep control of himself and his own old feelings for Masami as he tries to save them both from Hideki's sorrowful wrath.