Ruby Sinclair， The daughter of the richest man, secretly falls in love with Cole Harrington, a young master from an ordinary wealthy family, conceals her identity and work experience. The Harrington family mistakenly believes her to be ordinary and repeatedly humiliates her. On the eve of Cole Harrington's departure, he made a promise to marry her. Ruby Sinclair founded a top biopharmaceutical company in four years, hoping to gain family recognition. Unexpectedly, Cole Harrington returned and got engaged to his daughter. Ruby Sinclair, while feeling cold, vowed to fight back and regain the dominance of dignity and love.