Brother Dusk reflects on his legacy as he prepares for ascension. The Foundation arrives on Terminus and finds a mysterious object.

Salvor faces off with an enemy of the Empire. Brothers Day and Dusk are at odds, while Brother Dawn wrestles with his truth.

A flashback reveals the origin of Gaal’s conflict between faith and science. The standoff on Terminus takes an unfortunate turn.

Hari finds himself trapped in a mysterious prison. An assassination attempt leaves Day shaken. Gaal and Salvor devise an escape plan.

Gaal, Salvor, and Hari arrive on Ignis and meet the source of the strange signal they've been tracking. Dawn and Dusk are suspicious of Day.

Day and Queen Sareth make an announcement. Tellem sows seeds of distrust between Gaal and Hari. Hober Mallow reaches his destination.

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