"Catherine of Heilbronn: or Trial by Fire" is a historical drama by the German writer Heinrich von Kleist, written in 1810. In this well-known work, the author touches on the themes of love, willpower, fate and faith. The main character, Kateryna, seems strange and mysterious to people, but her willpower and faith in love help her survive all difficulties. In the drama, the author also raises the question of the relationship between feelings and the development of human spirituality. "Catherine of Heilbronn" is a work that immerses the reader in the world of internal struggles, love and faith in the victory of good over evil.