Regarding the far future, humanity is systematically explores space surrounding the Earth. For a more convenient and safe operation in orbit it was built a huge station accommodating a multiple laboratories, hangars, industrial buildings and many others. The task of the hero and his assistant were delivered to the surface of the necessary supplies and carry out staff rotation. Another flight did not bode nothing complicated, only approaching the destination, it became clear - something happened. The station did not respond to requests, as well as PCO. Just turn around and fly away, and it is impossible they should board the complex to find out what happened and find a way back home. In any of these and other steps they will wait obstacles, difficulties, deadly danger, and only by working together they will be able to escape.