Min-jae who is a policeman from generation to generation has been ordered to investigate Kang-yoon secretly, who is the ace team leader of investigation team. Min-jae is appointed as the member of Kang-yoon’s team. Min-jae has belief of “If the police do something illegal even it has been occurred during the process of investigation, he is also a criminal.” But while Min-jae investigates Kang-yoon, he begins to resemble Kang-yoon who has belief of “The chase of crime should be justified even it’s illegal.” Will Min-jae be able to clear his private mission and arrest Kang-yoon that he trusts and admires?

About the unexpected romance that occurs as Jin Moo Hak tries to steal an art museum from Kim Dal Ri. Kim Dal Ri, who was a visiting researcher at Kröller-Müller Museum and then becomes the director of Chungsong Art Museum. She is a character whose speech and actions are always classy and considerate. Dal Ri enjoys studying diverse fields such as art, philosophy, and religion, and she is proficient in seven languages. Jin Moo Hak, whose family grew a tiny gamja-tang (spicy pork back bone stew) restaurant into the global food corporation DonDon F&B. Although he is a director of the company, he is far from intelligent and was always ranked last in his class when he was in school.

Two detectives teamed up to catch a serial killer who murdered their family. Moo Jin Hyuk's life spiraled out of control after his wife was murdered. He starts to put himself together after he meets Kang Kwon Joo, US-graduated voice-profiler, who lost her police father to the same serial killer. They work together on the 112 (emergency telephone number) call center team.

Hyun Ji is a 19-year-old wandering ghost. One day she meets an exorcist named Bong Pal. They team up to listen to and solve the problems of various ghosts so that they can rest peacefully.

Former members of a girl band pursue romance with various suitors while coming to terms with their waning celebrity statuses and ever-evolving relationships with one another.