Eun Chan is a licensed taekwondo instructor who parts time as a delivery woman. One day, she comes across a delivery order that leads her to Han Gyeol, an heir to a conglomerate. Her boyish appearance deceives everyone into thinking that she's a strong man with a petite figure. Han Gyeol, on the other hand, being relatively close to men leads his grandmother to think he's gay. Eun Chan and Han Gyeol's entanglement lead to them working in a cafe, which soon brews a different kind of love story. They face multiple problems along the way that bring themselves closer and their love stronger than ever. Alongside them would be Han Gyeol's cousin Han Sung and his ex Yoo Joo who happen to be dating as well. Their love triangles bring excitement as they test another level of friendship and family.

Coffee Prince

Eun Chan, a licensed taekwondo instructor and a part-time delivery woman, happens to come across a noodle order that leads her to Han Gyeol, Dongin Foods' chairwoman's grandson. As Han Gyeol faces forced blind dates from his grandmother because of her suspicion that he's interested in men, Eun Chan enters his life as a deliveryman that peeks through what lies beneath his bath towel. As they meet again, Eun Chan is accused of being an accomplice, and the Coffee Prince Cafe's story begins.