A man wants to flee wartime Germany and the detested Nazis to Colombia, where his brother lives. In order to achieve his goal he agrees to become an informer for the Reich.

In 1921, the Cheka became aware that gold and jewelry were stolen from the treasury of Gokhran, and that a special organization was involved in transporting the stolen to Estonia. Scout Maksim Isayev is sent to this country. He establishes that the cipher of the Soviet embassy Olenetskaya works for the German resident Nolmar, with whom employees of Gokhran Kozlovskaya and an appraiser Yakov Shelekhes are associated. As a result of the provocation, Isayev was arrested. In the prison cell, he finds himself together with the famous Russian writer Nikandrov, who could not find himself in post-revolutionary Russia and went abroad. Released soon by the efforts of his comrades, Isayev continues the struggle for the fate of Nikandrov — for his return to his homeland.

For many years, a prominent scientist had been striving to solve the problem of immortality. He shared the results of his daring and risky experiments with his colleagues. But one day something happened that no one could have foreseen: the professor had disappeared. The best student and follower of Professor Dowell tries to use the results of his scientific research for criminal purposes.

After a strange incident, a group of russian space commandos starts developing supernatural powers. But how did they acquire such abilities and what is their intentions?

For several years as a terrible sea monster drowns ships of the Navy. In a small number of ships that managed to survive, in the sides were found huge holes triangular shape. Now any exit to the sea is deadly, so America sends a special frigate called Blue Star. His goal is to find and destroy the terrible monster. One of the participants of the punitive expedition is a famous Professor from France – Pierre Aronnax. He has a deep knowledge of the mysteries of the deep sea. The search for the monster continues for more than three months, but in the end, the frigate still detects it and immediately starts the attack mode. After an unsuccessful battle with the monster ship goes to the bottom, and the Professor, his servant Conseil and whaler Ned Land get on a submarine and make an amazing journey under water.

According to ancient legend, the artist found a mineral that can revive any inanimate thing. To hide the mineral, he inserts it into a doll named Hagi. A century later, Hagi falls into the hands of a puppeteer, and he with horror discovers that the old doll is alive. Moreover, she also has a nasty character. Criminals try to take possession of it in order to use it for mercenary purposes. But they do not know the secrets of this doll - no one can take possession of it, but it has a destructive effect on any person who falls within its influence.