Golkans are definitely not welcome on Earth. They're from The Fringe of the Galaxy and considered scum. So when Baxal, Spakro, Nelzon, and Zumet crash land on the forbidden planet, they don't quite get the welcome they were hoping for.
On the run from the Interstellar Unity Council, who is hot on their tails from the moment they get there, they each run into very unexpected humans.