Lefevre, a French archaeologist, has arrived in Istanbul determined to uncover a lost Byzantine treasure.
Once again, Yashim finds himself in a race against time to uncover the startling truth behind a shadowy secret society dedicated to the revival of the Byzantine Empire, caught in a deadly game deep beneath the city streets, a place where the stakes are high - and betrayal is death..
But when Lefevre\'s mutilated body is discovered outside the French embassy, it turns out that there is only one suspect: Yashim himself.
Yashim is commissioned to find out more about him.
Lefevre, a French archaeologist, has arrived in Istanbul determined to uncover a lost Byzantine treasure