She is a medical woman who has saved countless people in her life, but she should not have saved two people. One of them made her sincerely consider each other, but she could only look at each other from a distance. The other one, although it didn't break her heart to the extreme, became her fatal wound. Maybe everything is a joke of fate. Although we love each other, we can't reach out to each other. Although we are resentful, we can't make a mistake. She wanted to love him but couldn't. She wanted to hate him, but... She never had the chance to see him again. If she could go back in time, she wanted to cross the sea of people and run over to tell him... "I... Regret it." Unfortunately, she could never say this sentence. "I don't ask that I can stay with you forever in this life. But I beg you, when you pass by, please look back..."