In this graphic novel, Nancy Drew watches a lake disappear into a sinkhole and searches for the heir to jewels found on the sunken yacht that was at the bottom of the lake.

When an ancient artifact and a little boy go missing, Nancy and her friends are on the case. The artifact may prove that the Chinese discovered America prior to Columbus, but someone doesn't want that knowledge public and is out to stop Nancy, permanently.

When the dolls in Emma Blavatsky's antique dollhouse start depicting crimes that come true, Nancy is on the case and becomes even more worried when the dolls depict her murder.

Nancy Drew must protect an unstable super fuel-efficient engine, a creation that could possibly end the world's energy crisis, but along the train journey she and her friend George realize that their adversaries will destroy the train if they fail in stealing the engine.