Zack, a young boy, finds two Cocker Spaniels caged in the woods and takes them home. The animals, Sissy and Buddy, have magical healing powers that change the people of a small town.
C.J. and Hanna become the greatest of friends when the latter visits the former on the ranch where she lives, with the purpose of photographing the horses for her school project. The two unearth a secret plot which may put the mustangs in danger.
