Stella replaced her own heart with a mechanical one to save Louis's life after a fatal accident, a sacrifice that sparked a tragic misunderstanding and drove him away. When they met again years later, he had become a ruthless CEO and was with his new lover, Kay. At a citywide gala, Louis's relentless mockery of Stella caused her fragile mechanical heart to fail. As she collapsed, her medical records were revealed, exposing the truth about the transplant. Louis was left devastated by a soul-crushing regret, realizing his life was built on her heart. A poigant and tearjerking story of love, technology, and absolute sacrifice. Success belongs to the heart that remains. Happy ending follows.