Georgie, a man with Down Syndrome, tries to rob a drive-in diner with a wooden gun but winds up getting shot and killed by another customer with a real gun. The investigation leads to the special home in which Georgie was living where his friend Andrew quickly becomes the key to solving the mystery. But Andrew's own disabilities makes it difficult for Grace to get the information she needs to solve the case. Meanwhile, Grace begins dating Jack, the grown son of her elderly, voyeuristic neighbor. Jack is an atheist, which provides a unique challenge for Earl.