A mixed martial arts fighter Joo Hyung Woo gets injured during his match. Yo Han tells Hyung Woo that he needs to be treated right away if he doesn’t want to lose his sight. Many doctors in Seoul Hanse Medical Center oppose Yo Han’s reinstatement, but he comes back to the hospital thanks to Tae Kyung.
以教授與住院醫師身分再次相逢的耀漢和詩英，與研究醫生有俊合流後組成了耀漢的痛症醫學組。
另一邊耀漢在醫院外對格鬥技選手進行了急救處理後，將他送至韓世醫院，耀漢與痛症醫學組一起做出了第一次的診斷⋯
Comme les patients affluent au Centre de gestion de la douleur, l'un d'eux attire l'attention de Yo-han par son absence de symptômes. Son Seok-ki rencontre Si-young.
