When she got married, Chisaki quit her job as a dancer and settled down at home. Her husband, a designer, went on a business trip overseas, leaving her with a lot of time on her hands, so she decided to hold a dance class at home. One day, during a lesson, the doorbell rang. A creepy man clutched a flyer for a dance class and desperately pleaded, "I want to learn dance from you..." Chisaki's womanly intuition told her that she was in danger, so she tried to refuse, but...
