The spaceship 'Gateway' is heading for an earth-like planet, which Earthlings have given the working title of 'New Earth One'. Initially people thought it was an uninhabited world (apart from any possible wildlife), which the billions of people on Earth could take over. So they start to plan an expedition, which will determine whether this planet is suitable for colonisation. But, while studying the planet, they become aware that it has intelligent life and even a modern civilisation. So the purpose of the expedition changes from being a pure takeover to creating contact with the indigenous...