Yu Jin (Ye Ji-won), a 32-year-old single woman, is an online author with the pseudonym "Crazy Anna". Her usually sultry and off-line personality becomes bold and reckless after drinking. She got drunk at a colleague's party and spoke nonsense to her manager, claiming that she could live on the Internet without working, so she was fired. Unemployed Yu Jin found a job in her friend Cheol Jin's (Tak Jae-hoon) small bar to make ends meet, but soon her drinking problem recurred. After getting drunk, she was dragged to a hotel by someone and owed the hotel a large amount of wine money. After sobering up, Yu Jin vowed to find the man, so the men at the party that day became suspects. During the period when Yu Jin's investigation was fruitless, her dream lover came to the cafe as a guest, and Cheol Jin interfered and prevented the two from chatting freely. In her busy life, Yu Jin finally began to notice Cheol Jin who always protected her...