Seven years ago, Emily Shaw and Nathan Luther started a business together. When Nathan was diagnosed with heart disease, Emily donated her heart to save him and replaced it with an artificial one. To hide the truth, she broke up with him, pretending to be a gold-digger. Nathan eventually became a successful CEO and sought revenge on Emily, who was struggling to survive. His revenge plan inadvertently accelerated her death. Nathan realized his love for her too late, and Emily, heartbroken, chose to leave.