Grandpa Joe has always loved butterflies. There used to be nothing he enjoyed more than heading off to search for the flutter of brightly coloured wings and snap some photos for his collection.

But since Ben's granny passed away, Grandpa Joe has changed. He doesn't want to go outside, and nothing Ben says or does makes him smile. It feels like Grandpa Joe is slipping away too. So there's only one thing left to try - if Grandpa Joe won't come searching for butterflies, Ben will bring the tterflies to him...