Madeline Hart is beautiful, intelligent and driven - a rising star in the British government. But she has a dark secret. She is the lover of the Prime Minister, Jonathan Lancaster. When Madeline disappears on the island of Corsica, it"s clear her kidnappers know about the affair and intend to make the PM pay. Desperate to avoid a career-destroying scandal, Lancaster decides not to involve the police. Enter Gabriel Allon - assassin, art restorer and spy -who must find Madeline within seven days, before she is executed. With the clock ticking, Allon is thrust into a deadly game of shadows in which nothing is what it seems - and the only thing more dangerous than his enemies is the truth.