When one accidental killing leads to another, an ordinary young man finds himself stuck in an endless cat-and-mouse chase with a shrewd detective.

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?

Jun is a top agent of the National Intelligence Service who can strike down dozens of terrorists in one fell swoop. Disenchanted with his life, Jun disguises his death and succeeds in leaving the NIS to lead a normal life as a family man and fulfill his dream of becoming a webtoon artist. However, his unexciting webtoons are ignored by readers and even his wife. Depressed and angry at himself, Jun suddenly draws a webtoon of his past as a secret agent.

It follows the lives of employees at Incheon International Airport.

Despite a 200-year-old treaty between humans and vampires, both races still don't get along. Amidst the looming tension, Jung Jae Min, a posh yet kindhearted high school student, quickly falls for the mysterious new girl Baek Ma Ri. But can Ma Ri conceal her true vampire identity and give love an honest chance? If these star-crossed lovers can find the courage to make the leap, Jae Min and Ma Ri may just be the key to a final resolution between humans and vampires...