Yuichiro learns from a school friend, who has run away with with the gang boss's daughter, that a highly paid experiment is being run at the hospital where his cousin Shinichi works. Hoping to turn things round in one go, Yuichiro volunteers to undergo a clinical test involving exposure to radioactivity. This impersonal information amidst the apparently normal everyday scenery represents the unseen anxiety, despair and impatience that assaults the youth of modern Japan.