Wielding a mechanical apparatus for an arm and powered by a steam engine in place of a heart, Cole Blaquesmith continues his quest to dethrone the deranged Lord Absinthe and uncover the secrets of his lost past in a bizarre techno-Victorian world. But when the cyborgish hero and his band of freedom fighters encounter a charismatic and mysterious cult leader with unknown motives and a twisted half-man, half-machine version of Napoleon, allegiances and friendships become strained and tested. In the end, Cole must find a way to overcome personal issues and his own war-crimes trial in order to save a world that he still does not understand.