74 B.C. Somewhere in the Roman Empire, Spartacus, a young officer, is condemned to be a slave because he hit a superior. Brought back to Roma in a gladiators' school, he escapes and stirs up all the slaves in a revolt against the Roman Empire.
An American millionaire has just died. His sole legatee is a youthful indiscretion, a girl who is currently living in Italy. Two private eye detective agencies, in competition with each other, investigate. Combining business with pleasure, they search sunny Italy, but they only have one clue to find their heiress: she has three moles on the buttock. One of the private eyes falls in love with a gypsy who sings in nightclubs.
The god Zeus sends Venus, the goddess of love, to Earth to find her own true love.
