The violent death of a gangster provides evidence implicating the Russian mafia, but pitches Falcón straight into the heart of a turf war over prostitution and drugs.
Now the target of vicious hoods, Falcón finds those closest to him are also coming under pressure. His best friend, who's spying for the Spanish government, reveals he is being blackmailed by Islamist extremists and Falcón's own lover suffers a mother's worst nightmare.
Confronted by such fanaticism and brutality, Falcón realises that only the most ruthless retaliation will work. But there is a terrible price to pay...