Various shots of single combines and tractor-drawn harvesters moving past camera in wheat field. Shot of man climbing onto Massey-Harris combine, starting combine and moving away. Shot of two combines moving past camera. Shots at dusk and night of combines at work, of headlights of combines in pitch darkness. PAN of wheat field to horse-drawn wagon full of wheat, wagon moving out of frame to reveal barn and other farm buildings in background. Shot of threshing ops, of chaff flying onto pile. LS of full wagon arriving at thresher in middle of field.