Plot: Buffy and The Scooby Gang have ran into a pack of demons. Something they have never ran into before. They used spells for the demons, but more and more keep coming. They can't stop the demons, so they are looking for help. They can't find anyone in Sunndydale. So they go to San Fransisco and look for Angel to find Angel is not only in love but a human......But they pick up Cordelia, and Wesley. They go back to Sunnydale, but what do they see? The demons are in charge of the town.
Meanwhile, back in San Fransisco, the Charmed Ones are not fighting demons, but picture this they are looking for the demons. They haven't had a run in with a demon in months. They think something is going on. They hear the word that all the demons went to Sunnydale. The Charmed Ones go to Sunnydale and not only find the demons but Buffy and her gang.
Buffy Meets Piper, and they plan to help each other. Piper tells them about the demons and the different kinds. Buffy didn't know about the Chrmed Ones, Piper feels them in with everything. They start to fight.