The Star Key

Earth's resources are depleted. The people are starving while the wealthy live off-planet. Without the Star Key, nobody can leave Earth, but Marias found a way and he's getting rich transporting black market food to Earth, although it's dangerous. When beautiful Crinna asks him to save her sister from a prison sentence on Earth, he'll have to steal the Star Key if he's to get her off the planet safely. But how?