Bringing Up Grandbaby

Viv Lumsden, a grandparent who plays a major role in looking after her own grandchildren, meets other grandparents who are helping to bring up their children's children - and experiencing the highs and lows of parenthood the second time around. The school pick up is one thing but swimming lessons, Brownies, Cubs, sleepovers, travelling miles to pick up and return, quite apart from the expense ... where's the boundary?