Kim Nak-su is a middle-aged man who loses everything he once considered valuable in an instant. After a long journey, he finally discovers his true self, beyond his role as a department manager at a large corporation.
After losing all hope to live, Jeong Hee-wan unexpectedly reunites with her first love, Kim Ram-woo, who is now a grim reaper, opening a new chapter in her life.
Baek Su-jeong leads a planning team at a renowned department store. She meets her new boss, Ban Ju-yeon, her first love from an online game 16 years ago, stirring up memories of when he confessed his feelings but she rejected him.