Gabriel de Tardet's "Underground Man" is a sudden burst of human energy, a sleepless duet of poetic reasoning and philosophical agreement. This is a literary manifesto of an intellectual personality who is looking for answers to the questions of his own identity and place in the world. The leading themes of the author's thoughts are lost freedom, separation from society and contradiction of aspirations. A book that deeply studies the psychological aspects of the hero and reveals his own inner worlds to the reader. "Underground Man" is a passionate thought that prompts to engage in thoughts about existence and self-determination.