In the last moments of World War II, a secret Nazi space program evaded destruction by fleeing to the Dark Side of the Moon. During 70 years of utter secrecy, the Nazis construct a gigantic space fortress with a massive armada of flying saucers.

A slice of family life: sisters, husbands, children, history, secrets, jealousies. Margot and her teen son, Claude, travel from Manhattan to her family's Long Island home, occupied by sister Pauline, Pauline's daughter, and Malcolm, the slacker Pauline will marry outdoors that week under a tree neighbors want removed. Backbiting marks family discussion, particularly between the sisters and in Margot's cutting remarks to Claude. Pauline tells Margot a secret that Margot promptly tells Claude....