When two unlikely friends, Victor and Graciela, discover they are to be sharing the same library all summer long, time becomes a curious element. The local librarian, Mrs. Falconer, encourages them to enter a contest. Not just any contest, but the coveted Grainger Prize Award, a journey that will send them into the depths of history to discover how we enjoy and measure our time. Little aware that while setting up their experiments, they are being followed both inside and outside the library, by someone just as excited about what they are doing as they are. With the help of an interesting invention, they --nd the curious and the amazing are an everyday occurrence in the mastering of time.