Young Ho is a personal trainer for Hollywood stars. Even though he comes from a wealthy family background, he suffered a devastating injury during his childhood days. Now, he overcomes his problems with patience and stubbornness.
Joo Eun was the neighborhood beauty in high school. She later becomes a competent lawyer but has gained a great deal of weight. After breaking up with her boyfriend of 15 years, she decides to tackle her weight and gets Young Ho to be her trainer.