Teen Titans: Five teenage superheroes, battling evil and fighting over whose turn it is to do the dishes. Meet Starfire's sister, Blackfire, newly arrived from their home world. The team is happy to meet her, but Starfire is a little less than enthusiastic. In fact, Starfire thinks that they like her sister ia little too much. But Starfire discovers that Blackfire is a fugitive on the run! Now Blackfire is doing everything she can to convince some aliens that she's Starfire and that Starfire is Blackfire. Confused? So's the team, but they sort it out in the end.