22-year-old Jess Valenzuela’s life is turned upside down when she meets a mysterious stranger who holds a clue to an ancient treasure linked to her long- dead father. With the help of her friend Tasha, Jess uses her knack for puzzle-solving to try and crack the clue. But they both soon realize they’re in way over their heads when Billie—a ruthless black-market antiquities dealer—joins the hunt.

Not knowing who’s good and who’s bad, Jess works with Billie and deciphers a hundreds-year-old clue that points to a famous 18th century landmark, and together they plan an impossible heist during an historic reenactment to retrieve the next piece of the treasure map. But things don’t go as planned, and Jess is ultimately faced with the most difficult decision of her life.