Keanu has a nice life in his new home. Then his owner, "Daddy", starts working a lot more, and Keanu becomes lonely. His wish for a new friend comes true when Daddy returns home from work one day with a new dog. Things are good at first, but then Keanu becomes jealous of Daddy giving attention to his new "brother". This book is based on the true story of two dogs, Keanu and Buster. It discusses the changing family dynamics of step-siblings. It is told from the perspective of Keanu and Buster. Although dogs, Keanu and Buster represent children.