Ex wife de does not match

In an accident, he had to choose between two, but he chose to save her best friend. From then on, she was disheartened and made a clean break with him. After three years' absence, she was the miracle doctor he was looking for, the female star he was thinking of was her, the competitor was her... every time, he could find her new identity! As the truth unfolded, he realized that he had always loved her!