For two decades, Zygon leader Kritakh and his deputy, Torlakh, have been marooned on Earth, allowing them ample opportunity to rebuild their existence. However, Kritakh, who goes by the name Mike Kirkwood in his human guise, has lost his drive. Torlakh, known as the notorious killer Bob Calhoun, must find a way to reignite his leader’s passion. Enter the alluring psychiatrist Lauren Anderson, who must first confront her deepest desires before tackling her most formidable challenge. Is it possible for a violent nature to be subdued by love, and what sacrifices must be made in the process?