When he was an infant, Bobo (Howie Mandel) vanished from his family's campsite and was adopted by a pack of wolves. Twenty years later, animal behaviorist Penny (Amy Steel) finds Bobo and brings him back to civilization. All of Bobo's family is ecstatic, except for his shady brother Henry (Christopher Lloyd), who thinks Bobo is out to steal the family's fortune. As Bobo tries to adjust to life as a human, Henry schemes to make him disappear.