When they visit their Uncle Vince, little do Bridget and her younger brother Robert know that today will be a day like no other as they join him in hair-raising escapades, travelling across infinite space and thousands of years, accompanied by Leonardo, their uncle"s Irish wolfhound, the coolest dog in the universe! During this adventure of a lifetime, they soon discover how dangerous life can be in other centuries, and when they become separated from their time machine, the time travellers wonder if they will ever find their way back to the 21st Century and home.