Ruying: A sister who is as beautiful as a flower, has low self-esteem, and is jealous to please everyone. She has no regrets. Unfortunately, although he loves himself, he cannot love himself alone.
No Regrets: An ordinary-looking, gentle and kind-hearted girl, but unable to get his true love. Sometimes she would rather be the sister Ruying who is hated by everyone but whom he only loves deeply in his heart.
Since the three of them are destined to be entangled, let's settle their old and new grudges together...