Seunghyun, the son of the Police Chief, has been in conflict with seniors from the training corps.
A coming-of-age story that captures the spirit, challenges, and passion of youth as two students at the Korean National Police University experience life's charms and traumas while trying to become full-fledged cops.
Eunkang's roommate, Hanna, was the culprit of the hidden camera prank and is about to be expelled; Hanna threatens to expose the committee if they expel her.
After finding out his first love Juchan had a girlfriend, Eunkang slowly lost interest in campus life; Seunghyun is disappointed at Eunkang, who is thinking about dropping out regardless of whether she wants to be a cop or not.
Eunkang decides to stay at school and goes out on a blind date to find a new love; Seunghyun shows a short-temper after Bumju lets him know the girls went on a blind date as a group; Seunghyun cannot focus all day thinking about Eunkang.
Students are studying hard for the midterm exams in order to get the best rank; Seunghyun witnesses Hyunseok cheating during the exam; Hyunseok threatens Seunghyun that if Seunghyun does not move on this issue he will get revenge.
Kang Daniel
Wi Seung Hyun
Chae Soo-bin
Go Eun Gang
Park Yoo-na
Ki Han Na
Do-hee
Woo Joo Young
Lee Shin-young
Kim Tak