Gabby Lane is a senior MI6 field agent. When a rogue British spy goes missing after the murder of a Germany politician, and Gabby is sent to Frankfurt to collapse a terrorist bank, she discovers that the murder and the bank are linked.
A major crime network, run by Oskar Zetkin, tries everything they can to stop Gabby's mission.
But who is the double agent?
As loyalties and ambitions clash, more deaths occur, and the guilty need to choose whether to fight or run, and a chase to the death begins across the snowy peaks of Switzerland.