When you haven’t had sex in a long time, it feels like the worst thing that could ever happen. If you’re living in Germany in the 1930s, it probably isn’t. But that’s no consolation to Egon Loeser, whose carnal misfortunes will push him from the experimental theaters of Berlin to the absinthe bars of Paris to the physics laboratories of Los Angeles, trying all the while to solve two mysteries: Was it really a deal with Satan that claimed the life of his hero, Renaissance set designer Adriano Lavicini, creator of the so-called Teleportation Device? And why is it that a handsome, clever, modest guy like him can’t—just once in a while—get himself laid?