Sébastien sadly finds since a few days that Belle isn't always waiting for him anymore, but takes off early and returns late from the mountains. Feeling guilty for his dog being neglected mainly while he's in school, Seb tries finding out where Belle goes to. Thus he bumps onto Sören's visiting city cousin, an asthma patient sent to the mountain air. Seb fraternizes as he turns out to own a small dog, they search together and finds the pair playing. However poacher Anton already noticed Belle running around alone, and now resolves to catch and sell both dogs. Seb finds he nearly succeeded and fights back with Belle.