For seven years, Clara stood side by side with genius cardiothoracic surgeon Ethan Cross in the operating room, perfectly in sync. She buried her feelings deep inside, believing that long-term companionship would eventually earn his response. But what came instead was an engagement ring Ethan had prepared for his fiancée. Heartbroken, Clara resolutely resigned and left for Chicago to start a new life. After losing her, Ethan fell into complete chaos. Surgeries went wrong one after another. Long-suppressed sorrow triggered severe heart disease. On the verge of death, his emergency contact listed only one name... hers.