From the author of The Night Agent, now a worldwide hit Netflix series. A CIA agent hunts an old foe in this gripping international spy thriller.

Deadly enemies, dangerous games...

CIA agent Sam Hudson has been hunting Konstantin, a deadly Russian deep cover operative, for years – and he's finally picked up the killer's trail in Geneva. But Sam's source is is ambushed, and Sam barely makes it back to the US alive.

Back in Washington, the higher-ups want Sam to drop his obsession with Konstantin, but he can't let a man who's killed so many slip away again.

When a mysterious caller taunts him right before an attack in D.C., Sam realises Konstantin has followed him to American soil. Teaming up with fellow agent Emily Pierce, Sam sets out to neutralise his old enemy.

But every way he turns there are obstacles, and he begins to wonder if there is someone in US intelligence sharing crucial secrets. With the threat looming ever larger, Sam must use all his training and nerve to bring Konstantin down – before Konstantin brings down the nation's capital.

Reviews for Matthew Quirk

'Quirk has earned his spot in the front ranks of thriller writers' David Baldacci

'Breathless stay-up-late suspense' Lee Child

'Quirk is making a name for himself as a thriller writer to watch' Daily Mail

'The consummate thriller writer' Mystery Scene