She is the secret billionaire heiress of the nation's most powerful conglomerate. To repay a life-saving debt, she hid her identity and married a penniless man, spending years in poverty to build his small business into a multimillion-dollar empire. On the eve of his company’s IPO, he cruelly kicks her to the curb to marry a socialite he deems more 'worthy.' Little does he know, the 'worthless' wife he discarded is the one who actually owns his success. As her true status is exposed, three city magnates begin a high-stakes battle to win her hand, while her ex-husband is left to drown in a sea of regret.