When Sam finds a big black dog in her backyard she wants to keep him, but her mother can't find out - so Sam hides him in the shed. Meanwhile, Stella wakes up in a strange room to find that she's had a stroke. She can't move and she can't talk, so how can she ask what happened to her dog? Black Dog Dream Dog is a story about a magical dog who changes Sam's life in ways she could never have dreamed.