Two schoolboys flee an English boarding school and embark on prospecting adventures in the Rocky Mountains. Their journey brings escapes, clashes with rivals, and meetings with eccentric companions as they explore odd geological features in a remote valley while searching for hidden wealth. Episodes shift between youthful mischief and genuine frontier peril, testing the boys’ ingenuity, courage, and loyalty. The narrative builds through exploration, confrontations, and practical problem-solving, concluding with recoveries and reconciliations that resolve outstanding disputes and accounts among the characters.