Sarah continues her quest to learn more about the three dots at a UFO convention.  She runs into someone named Eileen who may have some leads but she soon discovers that Eileen has some secrets of her own.  Meanwhile, more of Riley's past is revealed and Cameron appears to realize there's more to her as well.  Ellison begins to try to teach Cromartie about right and wrong.  After Eileen is killed, Sarah tries to find out more about the secret place where she worked.