Kelsey Grammer takes a trip into the past to explore his beloved grandmother's family. He uncovers the story of a woman haunted by demons, and finds a connection to family who risked everything in one of the greatest migrations in American history.

Josh Groban traces his ancestors' roots to Germany and discovers a relative who was a deacon, music teacher & well known astronomer. But Josh's ancestors' predictions of cataclysmic doom put him in the crosshairs of the church.