Abandoned

Jemma didn't know that her grandfather was the Supreme Ruler of the planet Anders Major, or that she is now his heir, until she encounters Frederick Pritchard in the rainforest, a place where she has always felt safe.
As she unravels the truth that Pritchard murdered her grandfather, and then her parents, she discovers, to her horror, that he now intends to release an alien virus on Earth, to crete...