It's a hot, summer day in a big city and Tomek Wlodarski passes it by standing outside the entrance to a large city mall. He hopes to draw shoppers' attention to his large sign asking "HAVE YOU SEEN THIS BOY?" accompanied by a picture pasted below the sign's large letters.
An oddly paired duo, Pete, a computer "junkie" and class nerd, and Lilly find themselves trapped in a time warp. As they travel through time and space they have to solve numerous mysteries of the past or rescue some unusual characters they meet along the way.