Seven years ago, Elena sacrificed her heart to mysterious billionaire Victor for a 30 billion investment, saving Nolan’s bankrupt family and his life, then lied about being money-driven to break up with him. Seven years later, Nolan becomes a tycoon, engaged to Sophia, who actually plotted his family’s downfall. Reuniting with Elena—now a delivery rider with an artificial heart, struggling to fund her sick daughter Mia’s surgery—Nolan humiliates her deeply due to misunderstanding. As clues emerge, Nolan uncovers Sophia’s conspiracy and Elena’s great sacrifice. However, Elena’s life fades away...