The Traveling Companion (1980)

A baron, with the complicity of a starlet, organizes the theft of the cash wagon on a train, keeping the conductor and travelers at bay, a sample of various humanity: an honorable with the divorced secretary, a psychiatrist with a patient under treatment, two newlyweds on their honeymoon, a trendy singer with the assistant, a rich and kinky woman. The hit succeeds, but the spoils are squandered to produce a blockbuster film and everything ends up at a loss; the baron then tries to steal a large load of currency embarked on a ferry, but a sudden strike by the seafarers throws up the plan. Hence the plan to seize a load of diamonds, embarked on a plane departing from Fiumicino destined for Amsterdam.