Kim Young-Ho (So Ji-Sub) 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. Kang Joo-Eun (Shin Min-A) is 33-years-old lawyer. She has struggled to support her family. Now, Kang Joo-Eun is overweight and not so attractive.