On the day Wu You got her marriage certificate, she stood up her boyfriend because of a car accident. Her boyfriend broke up with her and went abroad. Wu You was heartbroken and devoted herself to work, but she had a spark with the "big devil" Hosea. The two battled wits and courage and became a pair of happy enemies. Wu You discovered that he was actually her savior when she was in a car accident, and she bravely pursued love.