A woman is convinced that countless beings live within her body, guiding or criticizing whatever she does. An engineer firmly believes that he can move between different worlds, exploiting the barometric differences in the Earth's atmosphere. Another man considers himself a god, yet he is stressed because his beloved Suzie is the daughter of the devil. A new mother is sure that her husband and her newborn child have been swapped.

These are the stories of Tamara, Hans, Tobias, and Sabine, the stories that will take us on a journey through the labyrinth of the mind and human psyche. We all know what delirium looks like — from our dreams. We understand how many things can happen in our imagination when our brain's ability to control and prioritize stimuli is hindered.

However, nature has also equipped us with good protective mechanisms against the deceptions of the senses. The author of the book, psychiatrist Achim Haug, tells us that madness lives within every person, as does the protection against it. We are all very close to people like Tamara, Hans, Tobias, and Sabine. Through their stories, we will learn some very important things about ourselves.