In 1968, the University of Tokyo conflict broke out. An era in which many young people went into the fight against state power.

Okamoto, who had witnessed Kuroo's surgical skills before, came to Kuroo's apartment in search of the "secret" of the technique. She saw a fish with surgical scars swimming in an aquarium. However, surprised by Kuroo's words, "That was a failure," Okamoto looked into the aquarium again and found that the fish whose surgical scars had almost disappeared were swimming with him. Kuroo used fish and pig's trotters to practice surgery every day. At that time, something like a moan was heard from the rooms lined up, and the two went to the voice. In that room was Tamura, two years younger than Kuroo, who graduated from the same high school. Kuroo is strongly requested by Tamura to see the sick in the room. The sick was an American deserter ...

A month ago, Yabu headed to the battlefield, Vietnam, where he wanted to start over, inspired by the black man. After that, the contact was lost, and Kuroo came to Saigon in search of the bush. After hearing from reportage writer Takayanagi who introduced the local hospital to the bush, Kuroo heads for Dalat, where there is a high possibility of the bush. Up to Dalat, I decided to accompany the US military transport unit with Takayanagi.

Black men who were taken prisoner of the Viet Cong in South Vietnam. Bob, a U.S. soldier who was taken prisoner with him, demands that the Viet Cong captain release his unjustified restraint and treat his seriously injured fellow Steve.