Men lay illegal duck traps in the United States of America but are chased off by agents of the Bureau of Biological Survey.
Titles read: "TRAPPED!"
Chesapeake Bay, United States of America.
Various shots of men laying illegal traps to catch ducks at a swampy lake. A plane from the Bureau of Biological Survey flies overhead and spots the traps. There are several ducks in each trap, but the men are chased away by agents of the Bureau. The birds are released after having metal identification discs attached to the legs of some of them.