Ken investigates a series of mysterious airplane crashes that are occurring after meeting a young boy's uncle who thinks that his father is still alive.
Ken is visiting the Institute for Earthquake Research and he Nakahara falls into the crevice but goes into Bird Mode and is saved but Nakahara dies. He then meets the daughter of Nakahara who thinks he is a member of Galactor.
Ken has a run-in with a very skilled pilot named Red Impulse. When Galactor attacks earth again, the rest of the team have to go into battle without Ken.
A giant metallic insect is stealing all of the world's sugar supplies. Galactor is behind the plot so the Science Ninja Team investigate. Ryu is especially livid about the loss of sugar.