Gi Tae-hwa and Lee Ye-ju have been known as exceptionally close "friends" since their school days.However, after Tae-hwa gets dumped by his ex-girlfriend because of Ye-ju, he becomes emotionally conflicted and uses the military as an excuse to put some distance between them. After his discharge, they run into each other at a drinking party. Tae-hwa, a sucker for a pretty face, is helpless against Ye-ju's sincere expression when he confesses that he's single.Using the excuse of "helping him out," Tae-hwa ends up spending the night with him. He wants to pretend it never happened, but Ye-ju begs him to try "dating practice," and Tae-hwa decides to go along with it, thinking they can just go back to being best friends.But why do they keep rubbing that against each other?!Are we really just friends?!+