Kang  Go Bi is a rookie barista. He is full of passion about coffee. He goes to cafe 2Dae Coffee to learn from coffee master Park Suk, who runs the cafe. Kang Go Bi becomes Park Suk's student. While learning about coffee from Park Suk, Kang Go Bi meets various people and provides them with comfort. Kang Go Bi also grows as a barista and a person.