The book is a profound exploration of identity and the human condition, revolving around a man who is arrested upon his return to his home country, Switzerland, after spending time in America. Although he insists he is not the man, Stiller, that everyone believes him to be, his protests are ignored. The story unfolds as he writes in his prison cell, reflecting on his past life and relationships, and grappling with the question of who he truly is. It's a thought-provoking narrative that challenges conventional notions of selfhood and personal identity.

The novel follows the adventures of an eccentric, violent, and mentally unstable protagonist who is released from an asylum by his psychiatrist. The pair embark on a chaotic journey across Europe and America, encountering a variety of strange and often dangerous situations. The narrative explores themes of insanity, violence, and the human condition, offering a dark and surreal critique of modern society.

"Trilce" is a groundbreaking collection of 77 avant-garde poems that explore the complexities of human existence and emotions. The work is known for its innovative use of language and form, challenging traditional poetic norms. It delves into themes of love, death, and existential angst, while also reflecting on the author's personal experiences, including his struggles with poverty and his political beliefs. The poems are characterized by their intense imagery, complex syntax, and a sense of deep melancholy.