When Alienna's human mother heads out in search of her a whole world of events begin to unfold. Alienna is a crossbreed; half human and half gray alien. Raised in secret by three powerful witches, Alienna also has someone she is searching for; her soul mate who perfectly matches her unusual nature. He too is a crossbreed; Berkoa, half human and half Sasquatch.

After forming an allegiance with Berkoa, both he and Alienna wed through odd circumstances. Their children, the Chupacabras, wreak havoc in the state of Brazil. Alienna is repeatedly captured to an alternate dimension by beings who intend to take over the world. This sets the stage for planet earth's invasion. Who will become the dominant species of the globe? With so many fighting for world conquest it is not clear who will triumph in the end.