"sintel" is a story about a girl who lives in the made-up city. one day, a dragon lands on the roof of a house she is standing next to. the dragon is hurt, so she helps it. she and the dragon (which she names scales) become good friends. one day, scales goes to chase a group of birds flying in the sky. another, bigger, dragon comes along, and kidnaps scales. sintel goes to looks for scales. she finds the adult dragon in a dragon blood tree, there she fights the big dragon and kills it. but, it turns out that the big dragon is actually scales. the movie ends with sintel sad, because she accidentally killed her friend.