As a result of an accident that took place while he was orbiting Earth, astronaut Maxim Bortnikov finds himself alone in outer space. Anna, a crisis operator, gets in touch with Maxim and offers to get him to a ship that has a rescue capsule. Maxim will have to pass intense challenges which will be a test of his survival skills and knowledge of outer space. As a result, he will find out who Anna really is and why she helped him survive.