Diabolik narrowly escapes Inspector Ginko’s latest trap, leaving his partner in crime Eva Kant behind. Furious, Eva offers Ginko her help in capturing him, but the former has to face…

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…