Jan Hus has been labeled a heretic and killed. His ideas live on though through people now called the Hussites. Their refusal to back down leads to all out war. The Hussites are outmanned and under armed, yet they have a secret weapon. A former mercenary who has been hardened by battle and is loyal to the Hussite cause. His tactical brilliance gives their reform movement a chance. This is the story of Jan Zizka.