After the poisoning of a Russian billionaire, Gabriel Allon travels across Europe and finds himself in the reach of a virtuoso cellist who may be able to help uncover the truth about his friend's death. The fatal poisoning of a Russian billionaire sends Gabriel Allon on a dangerous journey across Europe and into the orbit of a musical virtuoso who may hold the key to the truth about his friend's death. The plot Allon uncovers leads to secret channels of money and influence that go to the very heart of Western democracy and threaten the stability of the global order. -- adapted from back cover

Sequel to: The order.