In the 1940s, a Japanese merchant leaves his wife behind in order to travel to Manchuria, where he witnesses an act of barbarism.

A medical team is dispatched to the patients on a helicopter to provide medical care in the field as soon as possible. One day, four young physicians are assigned to this latest medical system. The doctors experience traumatic medical situations, deal with personal ambitions, witness the fragility of life, and they grow personally and professionally.