Unemployed Kang Go-bi discovers the best coffee he's ever had and is inspired to change his life. But his efforts end up annoying café owner Park Seok.

Go-bi keeps trying to get a job at Mr. Park’s café, but gets the cold shoulder again and again. Go-bi gets harsh feedback from a customer.

A picky customer takes over a table at the coffee shop, using it as his workspace. Go-bi is unhappy and goes all out to dissuade him.

Busy working mom Kim Ju-hui has the day from hell when her ex-husband stops by her boyfriend’s cafe with a difficult proposition.

Go-bi and Mr. Park come across a very special vending machine that has people sitting down together and sharing coffee and memories.

While Go-bi and Mr. Park are testing the new menu item, a cocky coffee critic visits the café and starts making the customers uncomfortable.

Go-bi is disappointed by a customer who doesn't seem to have any taste for or interest in coffee. But strangely, the customer keeps coming back.

Café regular Ahn Mi-na is annoyed by her mother and asks to be left alone. Her mom visits the café and drinks her daughter’s favorite coffee.

Mr. Park sends Go-bi to tour a prominent café. In the meantime, their landlord shares some news with Mr. Park that causes Go-bi’s life to change.

Mr. Park gives a free coffee to a man from the park, who he later realizes has had a remarkable past. Go-bi gets the chance to work in a new environment.

Far fewer people are visiting the café due to COVID-19, leading Mr. Park to worry that he’ll have to close. Go-bi gets a once-in-a-lifetime offer.