The summertime sun casts a shadow of uncertainty. When student protests of the 1968 movement were at an end, teenagers had lost motivation. "Wet Sand in August" is a hallmark classic of Nikkatsu productions. Depicting an era of teenage rebellion, the film has become a benchmark for Toshiya Fujita and remains as a requiem that resonates with the hearts of many.
One summer morning, Kiyoshi (Shosuke Hirose) rides his bike on the beach when Sanae is thrown out from a green convertible in her underwear. Later, Maki, Sanae's sister, falsely accuses Kiyoshi that he participated in her sister's rape. When Maki shoves him into a car with intentions to hand him over to the police, Kiyoshi finally snaps.