After the male lead was forced to donate blood to his girlfriend's first love, he died of a heart attack. His spirit wandered and discovered that the female lead couldn't stop thinking about her first love. She even chose to abort her own child to save him, convinced that she was deeply devoted to him. But her first love didn't appreciate it at all. After he hurt her with his words, the girlfriend thought of the male lead and wanted to get him back, only to discover that he was already dead. She was consumed by regret.
