The Sainia(1982)

The Sainia is a Greek film that blends mystery and dark comedy. Pelops discovers a method for preparing gasoline after a ghostly visitation from his deceased brother, but he's missing a crucial ingredient to complete the formula. Desperate to finish his work, Pelops becomes haunted by two spirits—Mari and Markos—who push him to explore a hidden corner of his house where treasure lies buried. His friends Stathis and Antonis try to protect him from these supernatural visitors, but the line between help and hindrance blurs as the search intensifies. The film weaves together Pelops's obsession with his invention, the persistent ghosts, and the lure of hidden riches into a quirky tale of ambition and the supernatural.