In 'Nightbane,' the sequel to the bestselling 'Lightlark,' Isla Crown navigates her new role as the ruler of two realms amidst betrayal and intrigue. Following her victory in the Centennial games, Isla, now facing a profound betrayal, seeks solace in the enticing distractions of Lightlark, neglecting her duties. As secrets from the past emerge and threaten the realms, Isla grapples with her obligations and the dangerous allure of forbidden desires, racing against a looming catastrophe that could alter the fate of her world.