Gaal has a disturbing vision. Day's bond with Queen Sareth grows stronger. The Vault opens and reveals a cryptic message.

Queen Sareth and Dawn share a moment as she tries to learn more about Day. Brothers Constant and Poly bring Hober Mallow to Terminus.

Enjoiner Rue confides in Dusk about her distrust of Demerzel. Hober Mallow pulls a daring move. Day sets course for Terminus and the Foundation.

Dusk and Enjoiner Rue learn Demerzel's origin and true purpose. Tellem's plans for Gaal take a dark turn. On Terminus, Day confronts Dr. Seldon.

Gaal, Salvor, and Hari chart a new path forward on Ignis. Demerzel heads to Trantor, taking actions that will change Empire forever.