A mysterious UFO flies over cities and mountainous regions all over the world. Additionally, airplane passengers who vanished half a year ago appear again, without memory. Because the spaceship has come to request to talk with humankind, the Science Ninja Team undertakes the task on a remote island in the South Sea. The person who exits the space craft is the famous Earth Defense Force pilot Major Borg, who was believed to be dead, killed in combat against Galactor. He says that when he was saved by that spaceship, Kentaro Washio was alive inside that ship. When Ken learns that his father…