Yoon Na-Na is a well-regarded bartender at XX bar. She takes pride in her work and position as the head bartender. She involves herself in other parts of XX like selecting menu items or setup of the interior. Her dream is to own XX bar. One day, the new owner of XX appears. She is Lee Roo-Mi. The two women were best friends five years ago, but something happened between them. Yoon Na-Na became upset at Lee Roo-Mi. Now, Lee Roo-Mi tries to make up with Yoon Na-Na, but it's not easy.