In the heart of New Zealand's breathtaking landscapes, a dark avenger emerges. Elina White, a billionaire heiress, witnessed her parents' brutal murder at nine, a betrayal orchestrated by five business partners. Two decades later, she dons the Black Mask, a vigilante driven by vengeance, hunting each traitor with lethal precision—toxins, garrotes, and silent darts, each kill marked by a black card embossed with her chilling symbol.

From Auckland's glittering harbors to Tekapo's alpine cliffs, her strikes ignite panic among the elite, their empires crumbling under fear. Detective Jack Morrison, haunted by his own losses, pursues her, unraveling a trail of hacked systems and flawless alibis. As their paths collide in a tense showdown, Elina's quest for justice blurs into darkness, forcing her to confront the cost of her crusade. Is she a hero avenging her family or a monster consumed by rage?

The Black Mask is a gripping thriller weaving New Zealand's stunning settings with psychological suspense, exploring the razor's edge between justice and vengeance in a world where no one is safe.