Five vacationers and two crewmen become stranded on a tropical island near the equator. The island has little edible food for them to use as they try to live in a fungus covered hulk while repairing Kessei's yacht. Eventually they struggle over the food rations which were left behind by the former crew. Soon they discover something unfriendly there...
Saburo and Keiko fall in love with each other but the tide of war separates them.
Story of rebellious youth follows the 19-year-old son of a Hokkaido farmer who has an affair with the daughter of a wealthy trading company president.
