On the eve of his wedding, Gu Yu, heir of the Gu Clan, catches his fiancée Su Ran being intimate with Lin Feng, a poor student she sponsors at her bachelor party. He realizes he is nothing but a pawn for a business marriage. Calmly gathering proof and reporting to his father, he keeps the wedding but swaps the bride for Su Ran’s cousin Su Qingya. At the ceremony, Gu Yu exposes Su Ran’s betrayal, ruining her and the Su family. Amid his revenge, he grows close to upright, tough Su Qingya from a tough background. Their contractual bond blooms into sincere companionship and lasting love, while Su Ran and Lin Feng pay dearly for their greed and betrayal.
