A college student navigates life and school while dealing with a unique predicament — he's living with a beautiful former K-pop idol.

A paragliding mishap drops a South Korean heiress in North Korea -- and into the life of an army officer, who decides he will help her hide.

Cha Eun Ho is a genius writer and the youngest chief editor ever at his publishing company. He is smart and handsome. He is also even tempered at work, but he has a warm heart and a reasonable personality. Kang Da Ni used to be a popular copywriter, but she is not anymore. She is now broke and unemployed. Even though she tries to find a job, due to her impressive career and excellent educational background, she is unable to find a new job. Finally, Kang Da Ni gets a job at a publishing company by lying about her background. Cha Eun Ho is the chief editor at that publishing company. They begin to develop romantic feelings for each other.

While investigating a serial murder case, Han Tae Joo gets into an incident. When he wakes up, he finds himself back in 1987. To get back to his present world, he must solve the murder case.

South Korean drama based on the American television series Criminal Minds. Profilers investigate cases from the perspective of the criminals to solve them.