Ben and Adam are locked in jail, about to hung for a crime they didn't commit. Joe and Hoss must find out why the witnesses to the alleged crime have perjured themselves before the execution takes place.
Little Joe takes it upon himself to teach a deaf girl sign language so they can communicate better. His plan backfires when the young woman falls in love with him and the girl's brutish neighbor resents her lavishing attention on the youngest Cartwright.
Three deserters escaped from an Army stockade to the Ponderosa. When a Captain comes looking for them, Ben realizes what they've had to deal with and promises to let his good friend in charge of that fort know the real truth.