Grace can't have a puppy of her own, but she loves walking the dogs at the local animal shelter; her favourite is Harry, a lively Jack Russell puppy. Harry loves going for walks with Grace, and soon the two are best friends.

But then Harry is re-homed and Grace is heartbroken. Grace knows she should be pleased that Harry has a home of his own, but she misses him terribly ... and poor Harry doesn't understand at all - where has his beloved Grace gone?