Ki-jun worked for a big company for a year, but tired of constant overtime, he decided to submit a resignation letter. Together with his friends, he opens a company that provides bicycle carriage services. The companions are forced to confront the harsh reality of modern business, and they have to learn the basics through their own experience. One day, a young girl named So-dam comes to Ki-jun. At first sight of the charming beauty, the young man falls in love with her.