Elyse's younger brother, Ned, a go-getting corporate executive who is Alex's idol, pays a surprise visit and puzzles everyone with his cloak-and-dagger behavior. Ned claims to be on vacation and insists that no one be told of his whereabouts. Several mysterious phone calls, replete with code words, arouse the family's suspicions. Finally, an FBI agent turns up at the Keaton's doorstep with astounding news after Ned's quick exit.