Busy Gran

David's contemplating all the different jobs the adults on the estate do but Sam points out that David's left someone off the list. Of course, it's Grandma Zainab! But David doesn't think Grandma Zainab has a real job. However, when Zainab takes Sam and David on a mission to pick up the community centre keys, they find themselves accompanying Zainab on busy mission helping out all kinds of people on the estate.