1928 was the last year when silent films dominated the market, and this aviation-based action serial from Pathe was one of the studio's last. Some pieces are no longer extant (half of chapters 3&6, all of 7, 8, and 9, and the beginning of the 10th and final chapter), but the beginning and end are there as well as enough to follow the action adequately. The surviving Grapevine print is... see more