Henry Louis Gates, Jr. meets actors Scarlett Johansson and Lupita Nyong'o, and chef Lidia Bastianich — three women whose families crisscrossed the globe to escape oppression and find opportunity, leaving them with questions about their relatives who stayed behind. 

Henry Louis Gates, Jr. helps Congresswoman Nancy Pelosi, news anchor Norah O'Donnell and fashion designer Zac Posen explore their immigrant roots, retracing the journeys of their ancestors who arrived in the United States with little more than a dream--and revealing why that dream is still so inspiring today.