Boo Yong Joo was once a famous surgeon at the peak of his career at a major hospital. But he suddenly gives it all up one day to live in seclusion and work as a neighborhood doctor in a small town. He now goes by “Teacher Kim” and refers to himself as the “Romantic Doctor.” Meanwhile, Kang Dong Joo became a doctor to make something of himself after growing up poor, and he seeks out VIP patients to achieve the success that he desperately wants. Yoon Seo Jung is a passionate young surgeon who is haunted by a mistake from her past and tries to get over it. When Dong Joo and Seo Jung meet the quirky Teacher Kim, their lives and careers will never be the same again.

The story of a mysterious taxi service that takes revenge on behalf of victims who are unable to get justice from the law. Kim Do Ki is a mysterious driver for the taxi company whose mother was murdered. Kang Ha Na is a passionate attorney. Go Eun is an IT specialist, while others consider her a hacker. Along with Kim Do Ki, she works as part of Rainbow Taxi Company to solve people’s problems.

Nam Han Joon is a former criminal profiler, who now works as a fraudster. For his scams, he disguises himself as a fortune teller and runs the fortune teller shop Minamdang. He attracts customers with his attractive physical appearance and smooth talking skills. He scams his customers for money, but he also gets involved in their cases and helps solve them. He even provides customer service for his clients. Nam Han Joon's partners are Soo Cheol and Nam Hye Joon. Soo Cheol runs a private detective agency and Nam Hye Joon is Nam Han Joon’s younger sister. She is an elite hacker. Han Jae Hee has worked as a detective for 3 years. She is enthusiastic about her job and tries to follow a righteous path. Somehow, Han Jae Hee gets involved with Nam Han Joon.

Will tell stories of emotional love and breakups. Ha Young-eun, a manager of the design team at a fashion label who is a trendy and intelligent realist. Yoon Jae-guk, a wealthy and popular freelancer photographer who also has the brains and looks. Hwang Chi-sook is a director of the fashion label’s design team who attended high school with Ha Young-eun and Seok Do-hoon is a skilled PR company CEO.

When his nephew dies in a plane crash, stunt man Cha Dal-geon resolves to find out what happened, with the help of covert operative Go Hae-ri.

At a difficult place in his marriage and career, a middle-aged man gets a shot at a do-over when he's transformed back into his 18-year-old body.

An eccentric, triple board-certified virtuoso surgeon leaves a top job in Seoul and ends up at a provincial hospital, where he mentors young doctors.

The story of Sung Un Department Store's team who works for VIP clients which constitute the top 3% of their customers. One day after a receiving a text message of her husband's infidelity from an anonymous source, Na Jeong-seon begins to suspect her husband and her colleagues of having an affair. In her quest to discover the truth, she ends up revealing more than one secret that her colleagues are hiding.

4 young men who don't have jobs face a woman in an alley. The woman says "save me."

Based on a true story, the drama tells the tragic love story of Kim Woo Jin, a married stage drama writer, and Yun Shim Duk, Korea's first professional soprano, who meet while studying at Tokyo University in the 1920s. Yun Shim Duk's recording of "Death Song" became the first Korean pop song in 1926.