Rose stared at the laptop screen, a smile spreading across her face as she scrolled through the photographs. The yacht had been easy to find once Herod's investigators had traced Alexander's movements. Getting someone with a telephoto lens onto a nearby boat had been even easier.

"Perfect," she whispered, zooming in on a particularly intimate image of Camille and Alexander on the deck of his yacht. Her sister, not that she deserved that title anymore, locked in an ...