Dixon Steele, un scénariste en proie à des crises de violence, est accusé du meurtre d'une serveuse. Laurel, une voisine amoureuse de Steele, le disculpe, mais leur amour ne peut échapper à la suspicion.
Naples, 1959. Pure Mathematics professor Renato Caccioppoli, Bakunin's grandson, is a tortured soul. Recently discharged from the psychiatric hospital, left by his wife, and increasingly disillusioned with academia and the Communist Party, he lives his last days with painful detachment.
A has-been teen celebrity gets his life in order, however, upon returning to the entertainment industry, he is faced with a new, darker side to it.