Chen Mo, a delivery courier, worked tirelessly to support his wife through graduate school, only to be despised for his poverty and heartlessly abandoned by her. On the day of their divorce, he saves Su Zhenbang, the wealthiest man in the city, when he suffers a sudden medical emergency. To repay Chen Mo's kindness and deal with pressure to get married, Su Zhenbang's granddaughter, Su Qingxue, proposes a marriage of convenience with him. Chen Mo's ex-wife grows jealous and joins forces with the spoiled rich heir He Jianyuan to make trouble for him at every turn. No longer willing to back down, Chen Mo relies on his own abilities and connections from the past to resolve each conflict, making those responsible pay for their misconduct. As they spend time together, he and Su Qingxue gradually fall in love. Determined to build his own success without relying on the Su family's wealth, Chen Mo starts his own business and later gives the Su family his full support when they face a crisis. In the end, he achieves success in both love and career and finds his happily-ever-after.