The rain hammered against the floor-to-ceiling windows of the penthouse, blurring the neon lights of the city into a smear of electric blue and violent pink.
Inside, the air smelled of expensive vanilla candles and the sterile scent of polished marble. Leo stepped through the front door, dropping his briefcase with a heavy thud. He loosened his tie, the silk sliding against his neck, his mind still racing with the numbers of the merger he’d just closed.
He stopped dead in the hallway.
A sound drifted from the end of the corridor, leaking through the slightly ajar door of Sienna’s bedroom. It wasn't music. It was a moan—high, strained, and thick with a desperate kind of hunger.
Leo froze. His heart hammered against his ribs. He knew that voice. It belonged to his step-sister, a girl wh
