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Introduction:

Recently, human science and technology have made unprecedented progress. At the same time, evil is also in the world.

Spread wantonly in the enclosure. With an excellent team of scientists and advanced mechanical research and development technology, the mechanical emperor attempted to dominate the world. He built a huge machine kingdom, and the soldiers below were equipped with highly intelligent robots called "B'T". With this, the mechanical kingdom will be invincible, invincible. Under the mechanical emperor, there are four other noble and prominent four-spirit generals. Hua Lian, one of the four spiritual generals, accidentally learned the true face of Mechanical Emperor, so he escaped with B t, and finally lived in seclusion on Shenju Island and became the coach of young iron soldiers.

Five years later, Kotaro, the brother of talented mechanical scientist Tie Bing, was kidnapped by the mechanical emperor at a mechanical exposition in some country. Iron soldiers sneaked into the mechanical kingdom to save their brother. By chance, Hualian's scrapped B'T was resurrected and named B't X, and the pair began to move towards a mysterious and powerful mechanical kingdom. In this process, the true face of the mechanical emperor gradually emerged …