I assume anyone planning to watch this has seen Clannad so I won't bother describing the characters, art, sound, things you wouldn't already know about. The plot of this is essentially a love triangle between Ryou, Kyou, and Tomoya. Not much more I can say without spoiling since its just one episode. If you watched Clannad and are looking for more Clannad then go ahead and watch it, I thought it was well done.