1946 Chicago is filled with trouble; gangsters, thieves, cut throats, dirty dealers & femme fatales. The people of the city have problems, private detective Shamus Elias Stone fixes them, for a price … A simple seeming case of a missing actress leads to a tangled maze, as a masked killer takes his revenge. The killer wears the mask of the villainous robots of Cowboy Robo , Shamus Stone suspects that the popular serial is at the center of this case!