A famous photographer Lok Kai Yip is taken a photo for his model Gigi in his workshop. However, they are making love as Gigi is continuously flirted with him. The whole scene is peeped by his wife Fong Ting outside the workshop, but she doesn’t interrupt them immediately, she left alone angrily instead. In the midnight, Gigi is attacked by a mystical murderer in the elevator while she leaves the workshop. Although she struggles extremely, she eventually died……