Shito Shiichi is being relocated to the Hong Kong office after emigrate to Japan for several years. He finds a house in Sai Kung and he has a housemate, Ka Yee. Ka Yee's strange behavior is irritated that Shito Shiichi cannot sleep at all at night. Shito Shiichi even sees ghost in the house. Shito Shiichi moves out from the house immediately when the guard, Keung confirms to him that those strange things may be related to the suicide case in the house.
Shito Shiichi removes to his auntie's house, but his auntie doesn't like this broke relative. She set him up with her daughter to kick him out of the flat. Shito Shiichi then goes to his friend Wai for help. They figure out the haunted house is a set up by the house owner, the guard and Ka Yee, in order to cheat the tenant's rental deposit. Shito Shiichi and Wai start to search for the evidence of their trick, and they see them cheating others as well. Shito Shiichi then set the trap and Ka Yee is being scared nearly to death. Out of their expectation, Ka Yee becomes a dummy. Shito Shiichi regrets and decides to stay and take care of her until she is recovered.
Shito Shiichi's girl friend Grace comes back from Japan to visit him. After Grace learns the story of Ka Yee, she is jealous and wants urge Shito Shiichi go back to Japan within three days. Otherwise she will break up with him. Shito Shiichi starts to like Ka Yee while he takes care of her. In order to stimulate Ka Yee to recover faster, he expresses his love to Ka Yee. Ka Yee seems no response to his expression....