Little House on the Prairie - Season 4 Episode 22 -

Feeling lost and abandoned, Mary Ingalls battles anger and self-pity at a school for the blind, far away from the little house by Plum Creek. But soon, Mary finds a source of hope in her new teacher, Adam Kendall, and as the two young people work together they find they have much in common. Meanwhile, back in Walnut Grove, many are forced to consider the real possibility of having to start a new life elsewhere as the town's economy erodes and work becomes scarce.