Isolde Voss enters an alliance marriage with syndicate prince Leon, convinced he rescued her from beasts in the Black Forest because he wore a sacred glowing ring. In truth, an ancient vampire named Kael sacrificed his power to save her, dropping the heirloom in his hasty retreat. Leon simply stole the relic, using Isolde's gratitude to plunder her family fortune while bedding a scheming mistress.
Tired of Leon's cold cruelty, Isolde directs her energy toward commerce while sensing an otherworldly presence guarding her every step. When Kael emerges from the shadows, their forbidden connection ignites, unearthing the dark conspiracy behind her fraudulent marriage. Isolde must dismantle the mafia consortium's financial plots while unleashing her immortal guardian upon those who stole their destiny.
