Two years into their marriage, Waka Onoe plays a woman named Mayumi who longs to have a child. However, her husband, busy running his own company, suffers from ED, leaving their sex life nonexistent. One day, he gets into a traffic accident that leaves him paralyzed from the waist down, rendering him unable to father children and jeopardizing his business. As the couple struggles, Mayumi's father-in-law suddenly makes an unexpected proposal—one that will blur the lines of family, desire, and betrayal.