The fairy tale play teaches children fire safety rules in a fun and playful way. It was staged in several drama theaters (Cheboksary, Tambov, Vitebsk and others). Maestro Dymuccio and his assistants Sparks are looking for naughty children to teach them how to play with fire and release the Fire Lion from a matchbox. Brother and sister, Sanechka and Lyalechka, are left alone at home, and maestro Dymuccio persuades them to light matches. A fire starts in a house in a forest clearing, the Fiery Lion eats pillows, chairs, furniture... Lyalechka and Sanechka run to the fairy Dozhdelina for help...