The location is Cancun, Mexico, in 1935 where young Dr. Emily Jones is working at the Archaeological Museum. The discovery of an ancient stone tablet in the museum sparks her interest. She ultimately concludes that solving tile-matching puzzles will lead her to a secret Aztec city. Emily's journal acts as a record of her findings, and newspaper articles and other documents keep the story moving along at a preset pace.

The location is Cancun, Mexico, in 1935 where young Dr. Emily Jones is working at the Archaeological Museum. The discovery of an ancient stone tablet in the museum sparks her interest. She ultimately concludes that solving tile-matching puzzles will lead her to a secret Aztec city. Emily's journal acts as a record of her findings, and newspaper articles and other documents keep the story moving along at a preset pace.