Leng Yun is Qu Bingtang's future classmate who has been dressing up as a man, and Si Ran is the eldest daughter of the Si family. They bumped into each other at the corner of a bookstore. After getting along for a period of time, Si Ran discovered Leng Yun's secret, but Leng Yun herself didn't know how her secret was discovered.
But later Leng Yun found out that Si Ran was a classmate whom she had a crush on before. Leng Yun did not tell her about this. In the process of getting along, Leng Yun thought that this Si Ran was not the Si Ran she knew.
When Leng Yun was helping Si Ran paint, Si Ran hurried away after receiving a phone call at the house, and Leng Yun followed him. It turned out that the Si Ran in front of her was the real Si Ran, but Si Ran's sister Snow. Snow stopped pretending when she found out that the incident was discovered, and admitted that she had fallen in love with Leng Yun at the first sight, but Leng Yun had always liked her sister. After my sister went abroad, she pretended to be her sister and came to see Leng Yun, and what happened next happened.
After Leng Yun got together with the real Si Ran, Leng's father planned a murder, and the person killed was Si Ran.
The day before Leng Yun and Si Ran got married, Si Ran was killed by a killer hired by Leng's father.
The plot behind may be a bit bloody, so don't read it if you don't like it.
Concept: In any time and space, love does not distinguish between genders