Ahead of her marriage, Eun Hee has breast cancer and needs to cut off her breast. Eun Hee, who woke up after surgery, can't not contact her married man Jae-young. In a state of anxiety, she is worried that Jae-young might leave. Then one day, she hears from him, but all he says is going on a business trip. Unsuffering, she runs out of the hospital and heads for his house, where she sees Jae-young having a affair with a strange woman.