Na Paz dos Anjos (1994)

Sebastião Ribeiro, a brilliant engineering student from a small Portuguese town, makes a groundbreaking discovery in renewable energy in France but keeps it a secret. When a military organization learns of his discovery, he fakes his death, returns to his hometown, and plans to use his invention to revitalize the community, all while dealing with complex family dynamics, business intrigues, and a local legend about a casino ghost.