Le Moustachu(1987)

The French intelligence service want to use a double agent to eliminate a terrorist groupe. To do this, the captain Duroc will give to the traitor a car filled with explosives. But the whole thing is a double trap. One of the officer of the Service, Leroy, has plan a dreadful blow to discredit his new director. He had chosen Duroc because is not supposed to be an intelligent agent.