Gu Shiyan, a deliveryman who used to be a "scumbag", encounters Su Ruan, who appears to be a cold nurse but is actually a gang boss. From being rejected in the initial entanglement to asking for help in a desperate situation when Gu's mother was critically ill, the two were bound by the crisis. Gu Shiyan witnessed Su Ruan's truth and fragility, and the prodigal son turned back to take responsibility; Su Ruan also broke away from the darkness and embraced new life under Gu Shiyan's protection. The two started a business and started a family together, moving from the entanglement of disparity in status to the happiness of having children.
