Sem Respirar 2004 on netflix

The near future: Bruno is trying to win back his ex-wife. Under the pressure of her domineering mother and a new (arranged) boyfriend, Jorge, Isabel brings charges of harassment against Bruno. Bruno is trialed and sentenced. A device designed to suffocate him if he gets within 100 meters of Isabel is implanted in his throat. But that doesn’t stop Bruno, he practices holding his breath.