Jiang Cheng and Shen Zhiwei were once each other's youth love, but hastily separated due to reality changes. To protect his sister's orphan, Jiang Cheng hid all the inside information and willingly let go. Years later, they reunite in the workplace, already as boss and subordinate. Past barriers and current work intersections intertwine, with misunderstandings and frictions happening one after another. Until a factory area accident brings out the truth sealed for over ten years, Jiang Cheng's years of endurance and deep affection finally come to light. All grievances and misunderstandings vanish like smoke, and the two who went full circle pick up their old romance, accompanying the child's growth together and rushing towards the fulfillment belonging to each other.