Gu Chi and Jiang Lan share a painful bond forged in tragedy. Eight years ago, a car accident killed Gu Chi's mother and Jiang Lan's father. Seeing the young boy hit by the same sudden loss, with no one willing to look after him, Jiang Lan took him in as a sister would. What began as a guardian relationship has slowly turned into something more. Now Gu Chi is starting out as a rookie model while Jiang Lan is already a supermodel, and their bond keeps shifting in the workplace. Gu Chi has gradually fallen for the woman who raised him. The age gap between them may stand in the way, and Jiang Lan must decide how to answer if he confesses. The ONA series is a romantic drama with a psychological edge.