When a mysterious and dangerous whirlpool phenomenon appears in the tropics of the Atlantic Ocean, Belka and Strelka, the first astronauts on their way back from a mission to Saturn, are sent to inves...

When a mysterious and dangerous whirlpool phenomenon appears in the tropics of the Atlantic Ocean, Belka and Strelka, the first astronauts on their way back from a mission to Saturn, are sent to inves...