Poppo's mind wandered. And Poppo wandered, too. Sometimes. Not often. Not yet, anyway. Arlo's grandfather travels in time. Not literally - he just mixes up the past with the present. Eleven-year-old Arlo holds on as best he can - because his grandfather is all the family he knows. Arlo fixes himself cereal for dinner and gives money to the owner of the corner store for the sausages Poppo takes without remembering to pay. But how long before someone finds out that Arlo is taking care of his grandfather instead of the other way around?