On the day of marriage, Lauren Clark was betrayed by her boyfriend Matt Howard and angrily sought revenge on a stranger, Oscar Bennett, for a flash marriage. The two started from a contractual marriage but gradually developed feelings for each other. When Lauren found that Oscar was actually her benefactor who helped her ten years ago, past misunderstandings and emotions intertwine. In the end, the two break free from the shackles of the transaction and harvest a perfect love.