Jonghyun is a mechanic at a small garage in Seoul, Taemin is a broke college student that works at the cafe across the street. One slow day at work Taemin finds himself staring out the window and happens to spot one very attractive mechanic and is instantly smitten. Taemin watches the mystery mechanic every opportunity he can, imagining every possible scenario of him entering the cafe and falling in love with the redheaded college student. But what happens when Jonghyun actually drops into the coffee shop one day, will Taemin's fantasies come true?