Things Left Unsaid, Pt. 2

S1, E20: In their mission to create a better world and forge stronger ties with other groups, Erin and Markus head to St. Louis for a big conference. Jeremiah goes to Millhaven, a place Ezekiel cautions him to avoid at all costs, and finds a guide there who can tell him all the answers he's longed to hear about his elusive father.