Is there a heaven? Joe says no; it's all a bunch of hokum. His wife Roberta has always claimed to agree. But lately she's beginning to wonder especially when they find themselves in church a lot having reached the age when funerals are more frequent than weddings. Their granddaughter Ellie doesn't have time in her own busy life to ponder the afterlife. But when mortality confronts them her grandmother's claim to have gone to heaven and back doesn't sound s