While Mother, Father, and the children face hostility from their new atheist collective, Marcus sets out to fill the walls of an ancient church with Sol's worshipers.

Campion is hurt meeting the serpent. The Trust tasks the collective with hunting #7 down. Mother must reconcile her feelings. Convinced the serpent will lead him to the Tree of Knowledge, Marcus sets out to find it before the atheists do.

Upon learning that the serpent is nonviolent, Mother fiercely protects it, while Father busies himself with the regeneration of a new android. Endowed with mysterious new powers, Marcus grows his congregation.

After the Trust uses Paul to strike back against Marcus, Mother confronts the Trust and threatens a coup. Meanwhile, on the run from Mother, Marcus has to keep his followers from losing faith as his powers suddenly disappear.

A reeling Marcus and Paul join forces with Mother to disarm the newly weaponized serpent before it wreaks unimaginable havoc.

Grandmother reveals her own agenda. Marcus seeks revenge, and Mother sets out to neutralize the serpent - but is leveled by the fallout.