Childhood friends Dojin and Hyeono end up at a group blind date, where they get heavily drunk and unexpectedly spend the night together. While Hyeono clearly remembers what happened that night, Dojin seems to recall nothing... Strangely, after that incident, Dojin starts pursuing Hyeono without hesitation. Could it be that Dojin actually remembers what happened? Amid growing suspicions, subtle emotions between the two begin to blossom.