

At five, Nina donated bone marrow to Quinn, saving her life. Tragically, Nina's parents died in a car accident, and she was rescued by a disabled scavenger, becoming Annie. Excelling in school, she interned at a major company, where she faced jealousy and bullying from fellow intern Angela. Unbeknownst to them, Angela was the adopted sister of CEO Quinn, who had long sought to repay the family that saved his life. When Quinn learned the truth—that the girl he'd favored was not the real Nina, but her bully—his world turned upside down.

Iris donates her heart to a tycoon in exchange for $5 billion to help her bankrupt boyfriend Adrian rebuild his empire, surviving on an artificial heart. To spare him guilt, she pretends to be a gold-digger and leaves him, secretly raising their daughter alone. Eight years later, Adrian has reclaimed his fortune while Iris, facing heart failure with only three months to live, reunites with him. He torments her out of resentment, unaware of her sacrifice. His scheming fiancée Karen frames Iris and impersonates the "heart donor." As Iris exposes Karen's lies and the truth emerges, will Adrian realize everything in time to save her?