Plot of TV series "The 100" based on the eponymous book by Kass Morgan. Almost a hundred years, a huge space station circling around Earth's orbit. After a global nuclear catastrophe spaceship's population is the remains of the lost civilization. However, the space station resources will not forever, and the management of the island life is forced to look for ways to return to the planet. The 100 of teenagers sent to the surface as a test. They will either die in the radioactive ashes, or will survive and prepare the base for the return of the rest. But young conquerors decide to build their own colony on the planet, which is not too friendly. However, the Earth hides a lot of surprises. The boys and girls who born in space, can't even imagine what awaits them at the new location.