Footage of a small airplane taking off from a runway. Footage from the cockpit’s interior. The pilot speaks on the radio while the navigator sits in back with a map. Shot of a car in the middle of a grassy forest meadow. A man with the car holds a pigeon equipped with a radio transmitter. The man releases the pigeon at the request of the airplane pilot. Shots of the airplane control console and the pilot on the radio. The airplane flies through the sky over some trees and power lines.