Lin Xi, who grew up in the countryside, had to stay at the home of the richest man, Huo Yanxiu, because her school went bankrupt. She was bullied by a wealthy young lady but cleverly resolved the issues. Moreover, she even had a flash marriage with Huo Yanxiu. As they got along, they developed mutual affection, and she found out that he was actually her lifesaver. Facing bullying from the family, she fought back boldly. Eventually, they moved from a contractual marriage to a deep and loving relationship, unlocking ultimate sweetness.