Estranged, quarreling brothers Carezza and Sorriso have to put aside their differences to reclaim their father’s beloved dune buggy from predatory real estate developer Torsillo, with the help of beautiful…

1960s, the city of Clerville. The forthcoming visit of heiress Eva Kant, who’ll be bringing a famous pink diamond with her, catches the attention of Diabolik, the infallible and elusive…