Hiro, a young boy, discovers what appears to be a broken lighter in an empty field, a find that changes his life forever. The lighter is actually Gold Lightan, a robot that fell to Earth from the Robot Dimension. When Earth faces the threat of Ivalda the Great’s evil robots, Gold Lightan transforms into a giant super robot known as the Golden Warrior. Together with Hiro and his gang, the One Pack Rangers, Gold Lightan battles Ivalda the Great and his armored forces to protect the planet.