Emily, a talented wealthy heiress, suffers a devastating conspiracy: her mother passes away, her father falls into coma, and she is drowned in huge family‑debt. Cold‑blooded mafia boss Damian notices she bears an identical appearance to his deceased first‑love Nora. He signs a hundred‑day companion contract with her to settle all her debts. Gradually, complicated affection grows between them. Later, Emily uncovers the shocking truth: she herself is the amnesiac Nora, who survived the murder plot six years ago. Her fake best‑friend Selena is the mastermind behind the crime. Trapped in dangerous power struggles, identity puzzles and torturous romantic entanglements, Emily clears up past grievances, defeats villains, and finally re‑builds genuine love with Damian and welcomes their sweet family.
