After visiting an auction Kevin and Ella discover a map in an old account book. They have to follow the clues that could lead them to treasure, but someone else is also on the trail. Who are they and how did they get to know?Back at their aunt's house, Kevin has to make a science project for school. He puts together an old cyber pet along with some microchips and accidentally makes a time machine. Follow the adventures of the twins as they travel back in history.