Danish intelligence officer Katrine Poulson teams up with British operative Beatrice Ogilvy in a desperate bid to thwart a looming threat against the British Prime Minister. As the plot thickens, Poulson and Ogilvy find themselves ensnared in a complex network of deceit, killings, and political maneuvering. With trust in short supply, they quickly come to understand that the lethal conspiracy may be a component of a broader geopolitical strategy.