is a critical hour-long special and three-part story arc in the fourth season of Wizards of Waverly Place (Episode 9). It centers on Justin Russo 's romance with a mysterious girl named Rosie, who is eventually revealed to be an Angel of Darkness . Core Plot Summary
Justin falls deeply in love with Rosie, but her influence begins to change his behavior for the worse. Suspicious of her brother's shift in personality, investigates the Angel Realm.
Alex meets Tina, a Guardian Angel in training, who reveals that Rosie is actually an Angel of Darkness working for the villainous Gorog .
Alex borrows wings and travels to the Dark Realm to save her brother. In a final showdown, Rosie’s true feelings for Justin cause her to help Alex. When Justin and Rosie kiss, Rosie is transformed back into a good angel, and Justin is freed from the darkness. Episode Guide & Cast Original Air Date: February 18, 2011.