A poor girl who works hard in such a big city and defends her dignity to the death, emerges from her cocoon after experiencing pure love but cannot compete with the colorful world; a cold-hearted CEO who is addicted to the affectionate past and has long ignored everything but prefers to empathize with the changeable girl inexplicably; a perfect first love who has been missing for three years and cannot be desecrated. Which side will the balance of love lean towards in the end?