Dr. Ichito works at Honjo Hospital. His longtime friend Dr. Tatsuya Shindo, who comes from Tokyo, begins working at Honjo Hospital. In their university days, Tatsuya was referred to as "the conscience of the medical school". Ichito notices a difference in Tatsuya now, as he leaves work on time. Then, Ichito's senior colleague Dr. Nukita collapses.
| Actor | Role |
|---|---|
 Tatsuya FujiwaraTatsuya Shindo | Tatsuya Shindo |
 Aoi MiyazakiHaruna Kurihara | Haruna Kurihara |
 Jun KanameJirou Sunayama | Jirou Sunayama |
 Michiko KichiseShizue Sotomura | Shizue Sotomura |
 Taizo HaradaDanshaku | Danshaku |
 Gaku HamadaYakusugi | Yakusugi |
 Kazue FukiishiChinatsu Shindo | Chinatsu Shindo |
| Jun KanameJiro Sunayama | Jiro Sunayama |
 Tokuma NishiokaShuichiro Takayama | Shuichiro Takayama |
 Chizuru IkewakiNaomi Tozai | Naomi Tozai |
 Sho SakuraiIchito Kurihara | Ichito Kurihara |