A young woman working for the Doshi property moguls, Amy Greenwood, is found dead in Maksim Bazhanov's apartment. Maksim is discovered to have been in a relationship with Yasmin Doshi. Nikki, Jack and Thomas ingeniously prove that foul play was involved in Amy's death and help the police find the missing Bazhanov.
Amy's mother Justine is a powerful player in the City Assembly and, fuelled by the death of her daughter, she puts pressure on DI Sarah Parks's investigation. Suspicion soon falls on Adam Lansley of FreeLondon, a violent activist known to target the super-rich. But Maksim is a powerful man with many enemies, and the team find one of them where they least expect it.