In South Korea, a full salon is a type of nightlife establishment in areas like Gangnam. It generally refers to a salon that offers a combination of drinks, entertainment, and other services, often including private rooms and karaoke.
So-jeong, who came to see Jong-min as an escort girl, tells him that she has a different main job and gives him the address of the bar where she works. The next day, Jong-min persuades his friend to go with him to the bar where So-jeong works. That night, an intimate conversation unfolds among four people in a small room.