The planet bugle, where insects have evolved for millions of years, sends Captain and the robot BUG3 on a mission to Earth! Their ultimate goal is to make use of Earth"s insects to create a new and improved Buggle race to conquer the Earth! However, Captain and BUG3 accidentally kidnap an insects-loving human boy when they confuse him for a real insect! Thinking the Bugglers are going to protect Earth"s insects, the boy happily joins their mission… Will the Buggers" sinister plan to take over the Earth succeed?!