Moving into a new house is hard, especially when you didn't see anything wrong with your old house.



How's a girl supposed to get used to it when all her old friends are still packed away in boxes?



Especially when it looks like some kind of mystery is happening at the park.



Sally's determined to solve it, but without her friends she's not sure how.



Surely that old ragged stuffed duck her father gave her won't be able to help?



Right?