Irene and Franklin York have a secret; they have a chamber in their backyard that leads to a strange and deserted planet, but surprising truths make them reevaluate what they know about it.

Franklin and Irene make a decision about the mysterious man from the Chamber; Stella grapples with revealing a family secret to her teenage daughter Toni.

As Irene discovers a new zest for life, Franklin becomes more suspicious of Jude; a visitor has something important to give Stella and Toni in Argentina.

Irene helps Jude look for someone he has lost; Franklin forms an unexpected bond; Stella begins her mission with help from an old friend.

Irene goes to new lengths to help Jude; Stella and Denise visit places that haunt their past; Franklin gives Byron an unexpected gift.

An appalling discovery divides Franklin and Irene; Tensions between Stella, Toni, and Nick reach new heights; Jude recruits Denise for his search.