Sara had been torn from Earth by a nameless black force and taken to Lothar where she was forced to care for a strange man, who she discovered was the Regent. She escaped in panic, and become a fugitive in a world of multiple evils....
This is one of my all time favorite books. I don't know how many times I have read it. I admit that the way she learned the language was rather unbelievable for me as a language major, but hey, it's science fiction where we can have faster than light space ship drives.