"Walden Two" is a utopian novel that presents an experimental community where happiness, productivity, and quality of life are the main goals. The community is guided by the principles of behavioral science, and it emphasizes the importance of cultural and environmental conditioning in shaping human behavior. The book explores the idea of an ideal society, free from the problems of modern civilization, through the eyes of a professor and his two ex-students who visit the community.

Set in 1920s Moscow, a brilliant surgeon transplants human organs into a stray dog, producing Sharikov — an abrasive, officious creation whose crude behavior and embrace of the new Soviet mores clash violently with the professor’s cultured circle. The novella satirically exposes the perils of social engineering, unchecked scientific hubris, and the collision between pre-revolutionary intelligentsia and the revolutionary lower classes, mixing dark comedy and moral unease as the experiment's consequences spiral beyond the lab. Through sharp irony and grotesque transformation, the story probes what makes a human — nature, nurture, or social order — and questions whether progress can be forced without losing humanity.