Yuri, the only daughter of the president of Tanabe Real Estate Co., learns that her father's second wife, Ryoko, was a prostitute in the past, and tells her to shut up and break up with her father.Ryoko panicked, and Kaoru, the corporate lawyer of the Yabuta Group, who was pulling Ryoko's hand behind the scenes to take over her Tanabe real estate, kidnapped Yuri in order to keep her mouth shut.