He has a double life, swinging between his accommodating and recently pregnant wife and his very attractive mistress, the singer Ga-yee, who he finds very attractive. His world is turned upside down when he learns, while working on a murder investigation, that Ga-yee is pregnant and that her passion with him makes abortion out of the question. In a bizarre twist of fate, Ki-hoon and Ga-yee find themselves trapped in the trunk of his car on the side of the road, where they discover the awful truth about his wife and his mistress, which they keep hidden until they are discovered.