"Simplicius Simplicissimus" is a satirical novel set during the Thirty Years War in Germany. It follows the life of the protagonist, a naive and simple peasant boy, who is forced to become a soldier. As he journeys through the war-torn land, he encounters various adventures and misadventures, and through these experiences, he gradually loses his innocence and gains a deeper understanding of the world and human nature. The book offers a poignant critique of war and society, highlighting the absurdity and brutality of the human condition.

The book tells the story of a young, carefree gardener's son who is deemed a "good-for-nothing" by his father due to his dreamy and idle nature. Spurred by his desire for adventure and romantic yearnings, he leaves home to embark on a whimsical journey across various regions. Along the way, he encounters a series of picturesque and often mysterious characters and situations, which lead him through a series of adventures that ultimately guide him towards self-discovery and maturity. His travels and the people he meets help him realize the value of love, work, and purpose in life.