The Mystery of Two Oceans

The novel is devoted to the voyage across two oceans of the submarine “Pioneer,” which is to carry out a particularly difficult and important mission for the Soviet government.

Many feats had to be performed by brave submariners, and many dangers had to be overcome before the “Pioneer” completed the order of the Motherland. Because not only blind forces of nature rise up against them—there is also the boundless Ocean itself. A traitor gets aboard the submarine…