Rüstem, who aims to exorcise evil spirits that torment people, is driven mad one evening by an extremely dangerous spirit. After killing his wife in front of his six-year-old daughter Canan, he imprisons the spirit in a box and throws it into the depths of the lake. Over the years, Canan tries to forget what happened and is now engaged to Semih, preparing for their wedding. Her friends accidentally find the box on the lake shore and give it to Canan as a birthday gift, and the events take an unbelievable turn.