Min Jae-Hee is a middle aged woman. She is a housewife who has devoted her life to her family, but her family gets destroyed. Min Jae-Hee is furious at the world. Through a mysterious perfume, Min Jae-Hee's appearance suddenly changes to a beautiful young woman. She becomes a model with her new youthful appearance. Min Jae-Hee meets Seo Yi-Do. He is a successful fashion designer, but a mean spirited person.
Chef Seo Poong was once a star chef and worked at the best Chinese restaurant. His popularity faded and he eventually wound up working at a small, failing Chinese restaurant. Meanwhile, Doo Chil-Seong is the owner of a building. He is an ex-gang member and he was in jail for 5 yers.
The story focuses on Yun Doo, a studious, normal girl. An old partner won't stop bothering her through messages, so she makes up that she has a boyfriend and posts a random photo of a guy. That picture turns out to be from Hyun Ho, one of the most popular and rebellious of the school. It's a school drama, with several romances in sight.
Sang-Tae is left with his two children after his wife passes away. Since that time, he lives with his two kids and parents-in-law. He works as a marketing team leader for a fashion brand.
Mi-Jung works as an assistant manager at the same fashion company. 3 years ago, her husband had an affair with her friend and left her. She couldn't tell her kids the truth about their father and lied that their father went to work in America. To this day, the children still believe that their father is in America.
Sang-Tae and Mi-Jung never thought about falling in love again, but they fall in love with each other.
When Kang Bok-Soo was a high school student, he was falsely accused of committing violence and kicked out of school. This was caused by his first love Son Soo-Jung and a male student Oh Se-Ho. Kang Bok-Soo is a now an adult, but his life has not gone smoothly. To get revenge on Son Soo-Jung and Oh Se-Ho, he returns to the same high school as a student. The environment at the school has changed and Kang Bok-Soo gets involved in unexpected cases.
A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.
A romance takes place between Kang Ji-Sung aka Louie and Ko Bok-Sil. Louie is from a rich family, but he has lost his memory. Ko Bok-Sil is a woman with a heart like an angel. Louie learns about true love after meeting Ko Bok-Sil.
Amid their parents’ divorce, three sisters are plunged into uncertainty when their mother is murdered and the family is cast under a cloud of suspicion.
Cho Yeo Hwa has been a widow for 15 years. Her in-laws are the most prestigious noble family in the kingdom. During the day, she leads the life of a widow devoted entirely to her dead husband's memory and rarely ventures outside the gate of her home. At night, Yeo Hwa dons the mask of Hero, who secretly jumps over the surrounding wall to save the helpless.
Having married young, when frustration with their lives make Choi Ban-du and Ma Jin-joo regret their marriage of 18 years, a strange occurrence has them traveling back in time to the day before they met and into their younger selves.
The love story between a top actress and an airline director who each suffers an unusual phenomenon. He suffers from prosopagnosia, while every month she transforms into someone else for a week.