Charlie Brown, Snupi, Lucie, Linus and other fallen in love characters of comics "Big-bellied trifle" for the first time will appear on the big screen in the feature animation film shot with use of the last achievements 3D - animation. Snup — the most nice dog in the world — besides, the cool pilot — goes to improbable air adventures in a pursuit of the main villain the Red Baron. At this time at his friend Charlie Brown really epic adventures begin!