Seunghyun believes in one single, universal understanding of human interaction and body language. The key word is understanding, for there are many different variations of body language. He would not be as stupid as to presume that a gesture would mean the same to an European as it would to an Asian. Body languages and social interactions between people are complex matters. They are not only culturally dependent, but social status, genders, age and exposure all play a role in how we chose to

Dong Wook is alone in his house with nothing to do. He decides to call over his long time neighbor and best friend - Choi Seung Hyun - to play video games with him. But they both soon get distracted with each other. One thing leads to another and they can't go back. Will these two best friends form another type of relationship between them?