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When an MI6 operative is murdered in his London apartment, fellow spy Emma Makepeace knows the killer was professional.

The dead spy had been investigating two Russian oligarchs suspected of selling chemical weapons from within the UK, and it seems likely there was a third man in the conspiracy - someone working from deep within the British government.

To find the truth, Emma is sent undercover on a superyacht owned by one of the oligarchs.

Codenamed GOLD DUST, the operation takes her from the billionaire enclaves of the Cote d'Azur to the fashionable hotels of Barcelona, where she comes close to discovering what the Russians are planning.

As the danger ratchets up and the chase intensifies, Emma knows that no one is safe until the third man is caught - and that she is in terrifying danger ...