After their mother dies and their father leaves them, teenage brothers Tex and Mason McCormick struggle to make it on their own. Fifteen-year-old Tex McCormick and his 17-year-old brother Mason are trying to make it on their own in the absence of their rodeo-riding father. Mason takes over running the household and, to make ends meet, sells Tex's beloved horse, Rowdy. Tex gets mad at Mason and heedlessly tumbles into scrape after scrape. When his Pop comes home, Tex is shocked to learn that he isn't his real father. But Tex realizes that Mason and Pop do love him, and it is time to start growing up.