Seo Do-hyun

The strongest punk detective in the police station who investigates with his mouth more than theory, 'Dong-min', is appointed to the investigation department just when he was about to become successful in his career. He is sad to be appointed, however, he will be having a joint investigation with a straightforward FM detective 'Mong-heo', in charge of a case that involves a missing model. As the investigation progresses, 'Dong-min's instincts awaken and realizes that it was not just a case of a missing person. It couldn't get any better! A comical, slapstick combo investigation begins!

20 year-old, Seol-hwa, is the most beautiful and pure. She works at a wine bar where men swarm just to see her. However, she is called the ice princess due to her emotionless expression which seems to hide a story. One day, to catch a glimpse of Seol-hwa, Jong-ho came to the bar, along with Do-jin who also fell for her. 
Seol-hwa is indifferent to Do-jin. Still, Do-jin invites Seol-hwa to his villa and somehow she immediately accepted. However, Seol-hwa appears in front of Do-jin with another man. Three people, and the purpose of their trips are different…

Yoo-ra suffers from nightmares every night. One day she meets her high school friends. Jin-tae is a promising artist, In-seok is a chaebol and former thug, Hye-jin likes In-seok, and Seong-ho, who used to be In-seok's errand boy, finally meet up. Yoo-ra asks her friends if they remember the classmate that killed herself. Everyone is flustered and claims they don't. Yoo-ra goes to the bathroom, but passes out after seeing herself in the mirror. Everyone gets in In-seok's car to send Yoo-ra home, but they get into an accident and all become unconscious. When they wake up, they are at a familiar school that's closed. It was the school they went to that has closed down.