Stephen Rider

A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.

A dangerous CIA renegade resurfaces after a decade on the run. When the safe house he's remanded to is attacked by mercenaries, a rookie operative escapes with him. Now, the unlikely allies must stay alive long enough to uncover who wants them dead.