Melody has always believed in guardian angels, but her friends have never been convinced that they are real. That all changes when a new woman arrives in Bailey City. Miss Angela Michaels is the friendly new school crossing guard, and she also happens to be a highly skilled karate teacher. She seems like a wonderful person, but the kids notice that she has a strange habit of showing up exactly in the nick of time to save people from danger. Melody even swears she saw the woman spreading a pair of glowing wings. The kids must figure out if Miss Angela is just a generous martial arts expert or if she was actually sent on a miraculous mission from above. You will love gathering clues with the gang to uncover the truth about their protector. This heartwarming and exciting story mixes a touch of magic with plenty of action.