Elena, a secret billionaire heiress and legendary medical genius under the codename N, marries ordinary doctor Nathan for love and silently boosts his career behind the scenes. In a serial car crash, pregnant Elena is trapped in the ruins, dying. Yet Nathan, ignoring her critical condition, takes the only ambulance solely for his ex-lover Vera’s minor finger injury, costing their unborn child’s life. Heartbroken, Elena abandons her disguise. Returning triumphantly as the heir of SE Medical Group and a top medical genius, she rises from betrayal and despair to reclaim everything that belongs to her.