This has got quite a field of recognisable talent, but the story is a bit thin. "Frank McNally" (Trevor Howard) is a ruthless drug dealer who makes a bit of a mockery of the efforts of Interpol to track him down. It's only when he kills the sister of US agent "Sturgis" (Victor Mature) that he finds a foe worthy of him. This fellow is much more determined, and quickly alights on the mule of the operation "Gina" (Anita Ekberg) trailing her all around Europe before finally honing in on his prey as “McNally” plots an huge job in New York. The format of the storyline takes a bit of a travelogue…