L, an angel who’s endlessly fascinated with the human world, gets into trouble when she unthinkingly saves the life of Han Shi Yeong, a man who was meant to die. To make up for her mistake she must guard him on Earth for one hundred days and keep him safe from Hwan, a death god who is required to collect his soul. Both supernatural beings must contend with the knowledge that whichever one of them fails by the end of the hundred days will be erased from existence, and the longer they stay on Earth the further their powers fade and the more human they become.
33-year old Han Je In is a mystery novelist who is notorious for habitual false reporting to the police in town. Her only friend is police officer Rok Hwan, who has had a crush on her since childhood. One day, Je In hears a scream of help from an apartment upstairs and reports that a serial killer lives above her but no one believes her. Convinced that Jason, the handsome man living upstairs, is a serial killer, she asks Rok Hwan to help follow him around with her. But as she learns more about Jason in her pursuit to uncover the truth, she begins to fall for him. Seeing her in this state, Rok Hwan feels a tinge of jealousy.
Ayaka, who works at the bridal department at a hotel, has a beauty that everyone recognizes, yet her personality is the worst. Everyone calls her a "wicked woman" after the way she wraps numerous men around her finger. The one who sets his eyes on her is the hotel's new executive Togo, who is the son of a very powerful person of the town. What are the orders that this King-like man requests of her!?
The film centers around Nero, a famous modern artist and Daewon, a Korean student studying in Japan. The two look exactly alike. While Nero is in Japan for his exhibition, he visits a Japanese Inn. While there he meets Daewon and asks him to switch places with him. After switching places, Nero develops a relationship with the Inn owner's daughter, which makes him reflect on his past. While Daewon thinks about what his future might hold, all the while enjoying the perks that come with being a celebrity. Will this plan help the two discover who they truly are?
Saimori Miyo was the unfortunate child of a loveless, arranged marriage. After her mother died, her father brought in his lover and her own daughter, Kaya. From then on, Miyo's life was reduced to that of a mere servant. Even worse, while Kaya inherited the family's psychic abilities, Miyo had none—she was truly the daughter with no merit. After years of being treated like dirt, Miyo has learned to keep her head down, hide her pain, and obey every order. So, it comes as no surprise that she is arranged to be married to Kudo Kiyoka, a military captain rumored to be so cruel that he has driven away every one of his potential wives so far. From a painful upbringing to a painful marriage, that's the future that awaits Miyo—or so she thinks. Contrary to her expectations, her new husband is actually kind-hearted. What really awaits Miyo is a blissful, everlasting marriage full of happiness!
Hanamura Aiko is a skilled lawyer who specializes in divorce cases. She is a warm-hearted person who sympathizes with clients who are suffering from marital problems, but she grew up seeing her parents' discord, and has lost faith in romance and love. She dotes on her recently adopted dog, Sakura, and is enjoying her single life. Shirosaki Kai is the director of a 24-hour animal hospital who deals with life every day. He is loved by staff and patients for his good looks and skills, but he doesn't talk much about himself and keeps people away from him. A year ago, he rescued a stray dog ??that was brought to the hospital and named it "Shogun". One day, while walking Shogun, Kai meets Aiko with Sakura. At that time, the two dogs fell in love at first sight, and the destinies of the two began to change. Woo So Ha is a friendly young man from Korea who is popular wherever he goes. Woo So Ha has come to Japan with a mission and tries to get closer to Kai, and by chance, he also meets Aiko.
Singer Hyeon Seok develops problems with his hearing (Menieres syndrome) and has to stop his recordings. He notices a picture of Hokkaido in a magazine and decides to travel there. He eventually arrives in a a small village in Hokkaido for rest. While there, he reminisces about the old days. The owner of the inn offers him a Japanese meal. There he meets a bright cheerful girl named Megumi.
Saionji, a housework-application employee who doesn't do housework, is enjoying the freedom of single life she's finally obtained after 38 years! However, she meets Kusumi, a genius engineer from Silicon Valley. The strange younger man has a big "secret"! This is a story of love and family, where Saionji-san, who has no housekeeping skills, takes on the challenge
