Ambrogio Carugati, a perpetually failing graduate student, turns to a former university classmate, the gynecologist Roberto Setti, to escape the arranged marriage with Gabriella, a girl he doesn't like.

The young British archaeologist Tim Frazer is visited by an old friend: Henry Denston. At an agreed appointment, however, the man does not show up, giving rise to a mysterious investigation.

After the death of his parents in an auto accident Giovanni Bernardi is invited to see his grandpa Count Marco Anselmi.During his stay in the old villa John sees a mysterious and ethereal girl named Veronique.She died during the First World War and now her spirit haunts the living...

The diabolical Goldsinger, enraged at being excluded from the UN, hatches a plot to blow up the assembly while all the heads of the state participate. Luckily, inept agent James Tont discovers the plot and sets out to stop Goldsinger.