Mr Polly is an ordinary middle-aged man who is tired of his wife's nagging and his dreary job as the owner of a regional gentleman's outfitters. Faced with the threat of bankruptcy, he concludes that the only way to escape his frustrating existence is by burning his shop to the ground and killing himself. Unexpected events, however, conspire to lead the bewildered Mr Polly to a bright new future - after he saves a life, fakes his death, and escapes to a world of heroism and hope.