Robbie the Raccoon and his friends love Father Oak and worry that he is sick when his leaves begin to turn color and fall off, but Robbie's mother explains what the change means and helps him plant some acorns as a sign of hope for spring.
A great oak tree, struck down by lightning, becomes home to a variety of creatures over the years, and eventually rots away into a rich mound of dirt that serves as host to an acorn that becomes another mighty oak.