His Majesty's hidden heir

"Prince Konstantin can't forget Emma Carmichael, who vanished after a wedding contract forced him to end their relationship. A surprise meeting five years later shocks Konstantin--Emma has a son. Unmistakably his son. Emma wants Konstantin in their son's life--yet she's wary. She'd had no choice but to walk away. His family hadn't deemed her worthy of being his princess. But as their reunion stokes the flames of their passion, can she trust that...