Drake & McTrowell saved the day for the Bavarian Airship Regatta. So, why can't they get some time off? Sure, there's lots of happy romance to go around. But this time they're facing a bigger clockwork marionette theater of intrigue in which they're just a couple of gears. And when they pull on one string, they discover a greater web of complexity. Old friends and enemies are at the end of some of these strands, but...who is the puppet master?