<p>Meet the new protectors of magic!<br><br>Ava and her friends are determined to learn everything they can about the curios left by her Great-Aunt Enid, and to make sure the magic doesn't break free and cause chaos again.<br><br>But when a strange figure is seen roaming the rooftops and Sarah's five-year-old sister Isabel insists that a monster is visiting her, it looks like the girls (and Ava's Tibetan terrier, Pepper) have another magical myst...