Nova Scotia has kept an incredible secret for centuries. In 1795, sixteen-year-old John Smith, convinced he's found buried treasure, digs down into a mysterious pit on a small island. In present day Nova Scotia, twelve-year-old Elisabeth London knows there's no such thing as magic, but when she finds herself in 17th century Scotland, she no longer knows what to think. While under the guardianship of a kind-hearted Highlander, Elisabeth discovers his ancestral home holds a mystery of its own. As John continues to dig the strange pit, he inadvertently begins the longest running, most expensive, and deadliest treasure hunt in history. Now, Elisabeth London and John Smith each try to unravel the secrets consuming them, unaware that a tormented young man holds the string weaving all of their lives together. For Elisabeth, the adventure is just beginning. Unless her parents discover she's time-traveling. Then...she is so grounded.