In the near future, 20 years after World War III, Conan, a 12-year-old boy living on an isolated island with his grandfather, believes they are the sole survivors of the catastrophic war. One day, Conan discovers a lost girl named Lana on the beach, who is fleeing from the oppressive rulers of Industria—menaces seeking to exploit her for their own sinister purposes and lure his grandfather into revealing Industria's secret technology of solar energy. After Lana is kidnapped by these villains, Conan decides to embark on a perilous journey across the water to Industria to rescue her.
A mysterious young girl washes up on the shore, sparking a thrilling adventur...