Lark twelve. For several years now she has been living in a boarding house for orphans. The girl's biggest dream is to escape from there. But this is impossible... After all, Lark is in debt to the hostess of the boarding house. And one day she decides to take a desperate step: steal a couple of gold coins from the Royal Museum. But Lark had no idea that instead of coins she would get... an ancient magic sword. Now she is the only Gallant heroine endowed with magical powers. And only Lark can save the country from destruction and destroy the evil that has awakened after hundreds of years of sleep. But will an ordinary orphan girl be able to become a real heroine? Or was the sword mistaken, and Lark will never defeat the Crimson Knight?