Henry, Bret and Lily Mulligan have always been warned not to waste their time, but never did they think it so importantathat is, until they met someone whose life depended on it. While playing in their grandmotheras attic one afternoon, the children find themselves in the company of Time, who desperately calls upon them for help. Together, the children must travel to the Past, Present and Future to prevent people from wasting their newfound friend, but the Mulligans find the task to be more difficult than they had ever suspected. Will they succeed or will poor Time waste away into nothing? Stop wasting your time and read on to find out!