While FBI Special Agent Aloysius Pendergast sits in prison on false murder charges, his brother Diogenes, dissatisfied with the results of his “ideal” crime, plans to commit an even more sophisticated crime. He devoted many years to carefully preparing this crime, and now, when his main enemy is unable to stop him, Diogenes is ready to launch the mechanism of evil. Meanwhile, a series of mysterious murders begins again at the New York Museum of Natural History...