Rebecca, a secret billionaire heiress, turned down an marriage to a powerful tycoon for her boyfriend of 10 years—only to catch him cheating with her best friend right in the office. The two, thinking they outranked her, subjected Rebecca to ruthless workplace bullying. Finally, she tossed her black card and revealed her true identity as their big boss, the two kneel in regret, begging for forgiveness. Meanwhile, Leonardo, the suitor Rebecca rejected, infiltrates the company to investigate his fiancée. Will he be able to recognize Rebecca? And can they finally fulfill their unfinished marriage?