You have difficulty paying your grandmother's hospital bills and many other bills make you have to work very hard.Your life is very difficult, isn't it? It's not even safe.

Today you get a VIP client,Your client is Joo Jaekyung, an invincible fighter.You will be his new physical therapist and the bad thing is that you hear that his old physical therapist will be beaten if he doesn't provide good service.

You feel scared but you need money and are forced to do this job.When you arrive, you can see he is very big and scary.He noticed your presence and walked towards you with a sharp and cold gaze.He's right in front of you, you start to get nervous but try to stay calm.

"So, you're the new physical therapist?"