Lu Yan has been secretly in love with a boy named Jin Canchen since high school, but she has never accepted Yan Xichen who loves her. Many years later, Lu Yan's sister said she was getting married, and the man was Jin Canchen. Jin had a disgraceful past, so Lu Yan didn't want her sister to be harmed at all. But her sister didn't understand her... In the end, she realized that she loved the wrong person...