A Time-Bending Thriller of Power, Immortality, and the City That Remembers Everything

Detective Boudewijna Dol thought she was chasing a financial conspiracy—until the bodies began to surface. Her search for answers pulls her deep into the veins of Amsterdam, a city layered with secrets and built atop ancient power. What she uncovers defies everything she knows: a secret society that has manipulated time for centuries, passing knowledge—and something far darker—through generations of the ultra-elite. The Van Os family, long whispered about in historical shadows, may not just control wealth and politics. They may have mastered something closer to immortality. Hidden beneath the canals lies a temporal anomaly—a tear in time itself—guarded and exploited by a cabal that drinks from history and bleeds the future. These are not vampires in the traditional sense. Their thirst isn't for blood... it's for time. As timelines collapse and the ghosts of Amsterdam's Golden Age rise again, Boudewijna must navigate a maze of ancestral power, ancient rituals, and seductive immortals. To stop them, she may have to break the rules of time—or vanish from it entirely. Rich with atmosphere, mystery, and a modern gothic pulse, Amsterdam in Ultramarine is a genre-defying thriller where time is the ultimate predator—and only the past can save the future.

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