I Became Bai Yueguang's Substitute, Just to Complete My Revenge

[Revenge + vest + double-sided + multiple lines + cold male protagonist + don't play according to the routine] Shen Qinghuan, the daughter of the Shen family, has not been treated well by the family since she was a child. When she was 18 years old, she had a one-night stand with a man due to an accident. For this reason, her family cruelly sent her abroad and left her to fend for herself abroad. At the same time, an accident also happened to her sister. Shen Qinghuan knew that her sister was killed. Five years later, Shen Qinghuan returned to China forcefully. She came back just to get her sister's things back and make these people all pay. In order to take revenge, she boldly drugged Gu Beichen, the prince of Beicheng, and created various opportunities. Later, for some reason, the two had a flash marriage. But the revenge plan has just begun...