A devout mother, Jill (Stockard Channing), is annoyed that her son, Ethan (Henry Zebrowski), has brought his atheist fiancée, Lynn (Mary Lynn Rajskub), to the cabin for a family getaway. Willing to do whatever it takes to make sure an atheist doesn't marry into her family, the devout mother ends up wrestling with her own belief in God as she struggles to do his bidding.