An ISO research ship is attacked and data regarding uranium resources on the bottom of the sea is lost along with it.In the middle of the investigation, the Science Ninja Team discovers three persons, a father and his two sons, floating on the sea. They say they witnessed the occurence while fishing. But in the village they live, the brothers Taro and Jiro and their father have the reputation of being liars. Nobody wants to listen to their testimony that they saw an apparition of a crawfish and a moving lighthouse. Ken discovers that the squid the family fished out is a rocket. The Science Ninja Team decides to have a look at the lighthouse.Ken saves Taro and his brother from a lynx in the vicinity of the lighthouse. They were imitating the Science Ninja Team by putting on capes made of chicken feathers. The Lynx turns out to be a Galactor cyborg. Then, Taro says that he knows a screct passage to the lighthouse and leads Ken there.Beneath the lighthouse, there's a Galactor base. In the ensuing confusion, Taro and Jiro board the lighthouse rocket which also holds the uranium resource data. The Galactor commander, thinking he captured the Science Ninja Team, goes to the base where Katse is waiting.The God Phoenix, following the crawfish mecha and is attacked by special metalic seaweed and rocket squids. In the vicinity of the attack, they discover the base. They rescue the children and recover the data. Katse, though cornered by the five team members, manages to escapes again by using a glas partition wall.