In Frankenstein's Europe, ravaged by the battles between monsters and steam-powered robots, Doctor Frankenstein has been found dead, and all evidence points to Hans as the cause. While Hans is on the run, looking for a way to clear his name, Ilsa and Gruber have become crewmates on a monster pirate ship. And they're not exactly making friends... Will our heroes make it through this European getaway? Or will their fate be nothing short of monstrous?