The Pyewolhwa is a rare flower that many seek but few can obtain, its beauty so mesmerizing that even the moon turns away. Lee Gyeom, also known as the Grim Reaper, has devoted himself to protecting these precious plants. However, one night, an intoxicated intruder enters the old house where the flower resides. The Pyewolhwa carries a strict penalty for anyone who damages it, and the intruder faces a grave punishment. But instead of accepting his fate, the intruder makes a deal to spare his life. He demands the man's daughter as compensation, leaving an insurmountable debt.