In 1945, young Hideki is drafted into the Blood and Iron Student Corps to fight for Japan when World War II comes to his home island of Okinawa--he is given a grenade and told not to come back without killing an American. Young Marine Ray has just landed on Okinawa, fighting for the Americans. Ray and Hideki fight their way across ambushes and traps to meet face to face with one another, and their choices will decide their destinies.