In preparation for the attack of new enemies, the Ultra Evolution Institute is developing a new type of robot called "Shinkalion Z" as well as new armed enhancement rolling stocks known as "Zailiners" that transform from conventional trains to power up the "Shinkalion Z". The children who became the drivers of "Shinkalion Z" with a high compatible rate will work together with the institute staff members to confront the giant monstrous beings that reappeared! The emergence of unknown enemies- And the encounter of two boys.
