Fast-paced science fiction about a generation ship. For centuries, the space ark 'Genesis Europa' has traversed the cosmos in search of a new home for humanity. But conflicts between the technocratic elite and the rebel group known as the 'Invisibles' are shaking the ship to its core. Shuttle pilot David Blue wants nothing to do with any of this, as he is completely absorbed in his work. When he is tasked with retrieving an asteroid, he is thrilled about the mission of a lifetime. But then traces of an alien civilization are discovered on it – and suddenly the survival of humanity is once again at stake.