Xizor, the leader of the Black Sun organization, has been destroyed, and Guri, a Human replica droid and Xizor''s personal assassin, is left wondering what her future will hold now that she no longer has anyone to answer to. Throughout the ongoing struggle for underworld supremacy, Guri endeavors to uncover hints of her Human side – if it even exists. Her search first takes her to the far side of the Rim looking for droid programming genius Massad Thrumble, in the hope that he can alter her programming.