The film is dedicated to the problems of grain safety during the harvesting and transportation of the wheat crop. Kazakhstan. 1964 Wheat field after harvest. Spikelets in the field. Gophers. Sprouted wheat. The movement of trucks with grain. Grain on the road. Workers of the Koldybansky production department EG Gich, IT Kartokhin answers questions from correspondents (synchronously). Kuibyshev region. 1962 The movement of vehicles laden with grain. Collective farmers collect grain scattered on the road. Trucks equipped with special protective devices proposed by V.P. Zhigalkin. Zhigalkin gives interviews (synchronously). Bread-receiving point. Trucks with grain awaiting unloading. AD Savchuk answers questions from correspondents about machine downtime (synchronously).