A desperate humanity, fleeing a dying Earth, discovers a terraformed world now inhabited by a new, intelligent species, leading to an inevitable conflict for survival. The last remnants of humankind seek refuge among the stars, finding a planet prepared for them, only to discover it is already claimed. Generations of evolution have given rise to a sapient species that views humanity as an invasive threat, while humanity sees the planet as their last hope. This collision course forces both civilizations to confront the extreme measures they will take to ensure their own continuation, questioning who truly has the right to inherit this new world.

The 'Children of Time' series is widely acclaimed for its ambitious scope and intricate world-building, particularly its detailed portrayal of alien evolution and societal development. Critics and readers alike praise Tchaikovsky's ability to weave complex scientific concepts with compelling narrative arcs, exploring themes of intelligence, survival, and the nature of consciousness across species. The series is noted for its thought-provoking exploration of humanity's place in the cosmos and its capacity for both destruction and adaptation. The interconnectedness of the three novels provides a rich, evolving narrative that challenges conventional science fiction tropes.