Aya, a recent graduate working in an office, accompanies her boss on her first business trip to a regional city with her boyfriend, with whom she's in a workplace romance. However, at a banquet that doubles as a business reception, she finds herself unable to refuse the offers of alcohol from her boss and important clients, and is overwhelmed by the atmosphere and unfamiliar liquor. Pushed to the brink by the tension and pressure of a deal that could determine its success or failure, Aya...