Brief sequence of shots: wind sock; mechanics repairing plane; men playing horseshoes. Dawn shots of plane starting, taking off, spraying. One plane lands. Cut to aircraft upside down on landing strip. Several planes are refuelled. Shots of pilot during take off, from front cockpit, of forest and spray, from rear seat. GROUND TO AIR SHOT of spraying, of worms wriggling as spray touches them. Final shots of men collecting dead worms, of plane spraying as seen from HAS.