She became pregnant by her first boyfriend in college and raised her beloved daughter Kaori alone despite everyone's objections. She wants Kaori to enjoy the happiness she never had, so she is relieved when her adult daughter introduces Shinji, a polite and serious young man. But behind Kaori's back, he forces her mother down and takes her. Torn between her maternal instincts and her desires as a woman, she is ashamed by how intensely her body responds.