Your aunt Miranda is gone and soon, her image begins to disappear from all photos. You and your friend Mike go to your aunt's house, to unravel this mystery. There, you will open a portal in time. You will be taken to Italy, in 1468. You will accidentally leave a textbook there on modern physics. When you return, you will see that the world has changed. Your textbook fell into the hands of the genius, Leonardo da Vinci. You will learn what became of the inhabitants of the Earth, and will go to a planet where the people established a colony. You will fight dinosaurs, and save Mike from a madwoman who wants to work with him to establish a new civilization. Will you be able to find your aunt, save Mike and fix things?