 In the finale of the Hopalong Cassidy series, Hoppy, California, and Lucky are looking for counterfeiters. They find Mordigan and realize he s the one they are after, They learn how he disposes of the bills but must find out where they are printed. When Moidigan s men attempt to murder them, Hoppy breaks it up and forces Mordigan to accept him as a partner hoping this will lead to the source of the bills.