Who's Got the Black Box?
La Route de Corinthe (original)
The widow of a murdered undercover NATO officer in Greece is the prime suspect in his killing. She finds herself embroiled in a bigger conspiracy about the sabotage of U.S. radar installations while trying to prove her innocence.
Starring Jean Seberg, Michel Bouquet, Christian Marquand, Claude Chabrol, Antonio Passalia, Saro Urzì, Paolo Giusti, Maurice Ronet
It's a thriller movie, and has a rating of 5.1 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Indonesia.