Syd is an eccentric bookseller with delusions of grandeur fueled by red wine. He caused a rift 5 years ago between his bohemian housemates and the family next door, but now tries to recruit his 14-year-old neighbor as a collaborator.
Um ataque à sede da CONTROLE faz com que Maxwell Smart (Steve Carell) seja enfim promovido a agente, ganhando o código 86. Agora, juntamente com a agente 99 (Anne Hathaway), ele precisa encontrar os vilões da KAOS e encerrar seus planos.