Heo Soon-mi

Every day is extraordinary for five doctors and their patients inside a hospital, where birth, death and everything in between coexist.

Lee Young-Joon's family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.

Cha Yu-ri died in an accident five years ago, leaving her husband Cho Gang-hwa to raise their daughter by himself. She becomes a ghost and watches over them until one fateful day she is brought back to life by the deities and told she can become human again if she returns to her place in 49 days. Though her husband has remarried, so she must decide between her or his happiness as she slowly re-integrates back into her old lifestyle.

Seok-gu, a documentary producer specializing in current events and accusations, wishes to find meaning in the dark and inconvenient things of the world. Old women who fell in love with Hangeul (Korean alphabet) appear in front of him. Over and over again, they say "old people should die," but their joyful lives are more exciting than anyone else's.