 Detectives Goren and Eames sort through a palette of colorful characters when they probe the slayings of a museum curator and an art authenticator, and they soon discover evidence of copied masterpieces that makes an arrogant Austrian dealer their prime suspect -- but the key hinges on finding the elusive forger. Meanwhile, as Goren reveals a surprising knowledge of art -- and the German language -- the investigators figure that the best way to find a forger is to enlist the aid of another forger.