The Education and Revenge of Duffy Douglas

in 1952, Muffy and Duffy Douglas are about to go off to college. Being amateur detectives they want to solve one last case. The Phantom is a villain who has manages to step one ahead of them. Muffy figures out who the master mind is but is abducted. Duffy tries to find her but is framed and ends up in prison. Twelve years later, he comes out a changed man. He plans to find his sister and get revenge on those who framed them and their daughters.