On the wedding day, the groom Huang Liangmeng fled the wedding because his ex-girlfriend got pregnant and was in a car accident. Best man Lu Yan, to save the day and win over Lin Yu'an whom he had adored for years, took the initiative to offer to marry in his place. After weighing the pros and cons, Lin Yu'an agreed, and the two quickly registered their marriage. After the marriage, Huang Liangmeng, instigated by behind-the-scenes capital, continually harassed them. Lu Yan and Lin Yu'an teamed up to counterattack, exposed the conspiracy at the shareholders' meeting, and ultimately reaped success in both career and love.