Cooper's aunt has broken her ankle and is on crutches. Cooper has never seen crutches before. Cooper thinks that crutches mean Aunt Dana won't be able to play and read with him anymore. But that's not the case! Cooper's aunt uses crutches and a knee scooter to get around, and they can still read their favorite books together, just like before. Cooper learns that using crutches helps his Aunt Dana, but doesn't make her a different person.