 After giving Opie a lesson on trust, loyalty and keeping promises, Andy learns that "Tex", one of his son s playmates, is a runaway from a nearby town who Opie promised he wouldn t tell on. Opie is confused when Andy expects him to break his word and give him the boy s last name. Andy must find a way to reunite the boy with his worried parents and show a disappointed Opie that sometimes breaking your word is the best thing to do.