Matvey, as befits a student at the Technological Institute, was a materialist to the core. His convictions were not shaken even by his journey into the distant past, to the 9th century BC, and his friendship with the ancestor of the Slavs, the great god Svarog, in whose forge he became a reliable assistant. However, it soon became clear that knowledge alone was too little to achieve noticeable results in iron production. And only when Matvey recognized his divine gift, he managed to turn the entire ancient world upside down...