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.

"Closer" is a provocative and unsettling novel that delves into the lives of a group of teenagers in Los Angeles who are navigating a world filled with nihilism and desensitization. The narrative centers around George Miles, a vulnerable and impressionable young man whose emotional detachment and search for meaning become the focal point around which other characters orbit. Through a series of fragmented and often disturbing interactions, the novel explores themes of obsession, love, and the extremes to which alienation and the quest for connection can drive human behavior. The book is noted for its stark, minimalist style and its unflinching approach to controversial subject matter.