Angry with the way a beautiful deaf girl is treated by her father, a sheepherder living in a remote mountain cabin, Little Joe takes it upon himself to teach her 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.
Michael Landon - Joseph 'Little Joe' Cartwright
Lorne Greene - Ben Cartwright
Pernell Roberts - Adam Cartwright
Dan Blocker - Eric 'Hoss' Cartwright