An engineer comes home from abroad to his waiting wife. After some time, his second wife, an Italian one, joins him. For a small town, such a triangle will turn out to be unacceptable, especially since the spouses live peacefully under one roof.
A young engineer borrows a suitcase from a friend, not knowing it countains ten thousand dollars inside. Soon after the friend dies in a car crash, and a lighter found at the scene might be key to solving the case.