Everything is going well for the Walters, they have a beautiful apartment in Marylebone, a chic part of London, and they are thriving professionally. While Megan manages the family fortune inherited from her parents, Stephan runs Black Virgin, a company on the cutting edge of genetic research that is partly financed by the British government. The financial stakes are enormous.
Things take a dramatic turn when Stephan is forced to team up with an American group that will have negative ramifications. The Walters become divided because of legitimate mistrust and paranoid suspicions. Megan, pregnant with a second child, distances herself from Stephan. Stephan's life is thrown into upheaval with the reappearance of Livia, a flame from when he was younger, who was brought in by the American group to head communications for Black Virgin. They are surrounded by more and more deaths. Megan herself feels threatened. Who is really pulling the strings? Does Megan really know the man she shares her life with?
In this game of chess, neither Megan nor Stephan want to be simple pawns, at the risk of flirting with the spark that risks destroying their happiness…