Yuri, the only daughter of the president of Tanabe Real Estate, finds out that her father's second wife, Ryoko, used to be a prostitute, and tells her to keep quiet and break up with her father. Ryoko panics, and Kaoru, the legal adviser to the Yabuta Group, who is pulling Ryoko's strings behind the scenes to take over Tanabe Real Estate, kidnaps Yuri to keep her quiet...