New enemies, along with the mysterious new Giant Monstrous Beings, appear from space to take over Earth. Shinkalion ALFA-X, secretly developed by the Ultra Evolution Institute, is the key to salvaging the crisis. Hayato cannot hide his anxiety after his father, Hokuto, goes missing during an enemy attack. Meanwhile, a nine-year-old Hokuto suddenly appears from across time and space! Hayato aims to protect Earth while the young Hokuto sets his heart on returning to the original universe. The pair find the driver of the Shinkalion ALFA-X with the latest technologies and bring the Hokkaido Branch, Yamagata Branch, Ōmiya Branch, Nagoya Branch, Kyoto Branch, and Moji Branch together to confront the strongest enemy in the universe. Can Team Shinkalion protect the peace and security of Japan? Can Hayato reunite with his father, Hokuto? Can the young Hokuto return to his original universe safe and sound?