Philippe Dumat

Four convicts in a French prison share a single cell. As all are incarcerated for serious crimes, including, perhaps, execution, they decide to escape and have collected materials for the purpose. Before they can begin carrying out their carefully prepared plan, another inmate is moved to their cell... (imdb)

Max, a master thief, is spending some time behind bars, having been captured by a determined and crafty police officer. He has hidden a sizable amount of gold in Italy and is patiently waiting to get out so he can retrieve it. His prison companion wants to get out now and get the gold. So they escape, dress as priests and fly off for Italy... (imdb)

For the birthday of her husband, Cynthia Monestier think found the perfect gift: an oil concession on the banks of the Orinoco. However, her husband quickly discovers that she was duped by a swindler. To recover from this bad "investment", he hopes his daughter will succeed in convincing the rich Antoine, who is very interested in it, to buy the "fabulous" concession. (Wikipédia)

An English teacher seduces a young student in the company of his wife to help him in an ambitious plan with the kidnapping of a newborn baby of a wealthy businessman. (imdb)