Eight year old Peter is plagued by a mysterious, constant tapping from inside his bedroom wall—one that his parents insist is all in his imagination. As Peter's fear intensifies, he believes that his parents could be hiding a terrible, dangerous secret and questions their trustworthiness.

Two fugitive animals embark on an adventure across America to find the ranch that was once their home, healing their friendship while pursued by an equally "odd-couple" DEA agent and Fish and Wildlife ranger with something to prove.