Search expedition of the Pacific Fisheries Research Institute in Vietnam. Vietnam. Haiphong Port. Ships in the port. Ha-Long Bay landscape. Rice fields. Palm grove. Meeting of the members of the expedition. Fishermen in junks. The national way of fishing with a net, a seine. Fishing schooners at sea. Fishermen weave nets. Fishing cooperative. The members of the cooperative on the base vessel of the expedition are trained in the practice of modern fishing. Expedition staff at work. A fish cannery built with funds from the Soviet Union.