My Babysitter's A Vampire the movie - Rosalie's story

When Rosalie Morgan moves in with her Aunt and Uncle, things around white chapel get really weird. First of all, the gang finds out that vampires are real. And then there's the Cubilai Animuse, or the nest of souls, which Jesse is trying to re-animate his flock with. Finally, Rosie gets bit. Can these friends work together to stop Jesse? Or will they fail at the end?