It’s summertime in Monaco and Oz Blackstone is sitting on the verandah of his opulent mansion – one of three homes – idly gazing at Roman Abramovich’s luxury yacht as it gently cruises into the harbour. Life doesn’t get much better than this.

But somebody knows where he lives. A struggling author sweet talks him into buying the movie rights to his latest novel for $50,000, and a shocking trap is laid.