ANCIENT SECRETS THREATEN THE MODERN WORLD, AND THE HISTORIC CRIMES UNIT IS OUR ONLY HOPE

When Dr. Dan Kotler—Archaeologist and FBI Consultant—gets an invitation to explore the Huashan mystery caves, located in China's Anhui Province, it's an offer too good to pass up. Especially since the lead on the project has promised him some "unusual, out of place history" to investigate. It's the closest thing to a vacation Kotler ever seems to take.
But what Kotler finds hidden in those caves is more than just out of place—it's a sign of something sinister and dangerous that could threaten the modern world.

Alex Kayne—former Fugitive Number One, and the inventor of a profoundly powerful quantum-based artificial intelligence—has come in from the cold. In exchange for staying out of a cell, Kayne has been recruited to work with the Historic Crimes Unit, putting her skills and her infamous AI to the task of tamping down the sorts of threats that emerge from history and endanger the world, here and now. She's not entirely comfortable being on a leash, following orders and living a restricted lifestyle. But she's giving it her best shot. For now.

Her first case with the HCU, however, may be her last, as she faces off against operatives from an ancient order known as the Jani.

They want whatever Kotler has found in those caves, and they think Kayne can help them get it.

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