Upgrading clothing via Great Fairies .
The episode introduces the "Church of the Returned," a fanatical group that views the passengers as divine . This serves as a major plot "upgrade" by adding a new layer of danger for Saanvi and the other passengers . [S1E14] Upgrade
Saanvi continues her work on the "marker" in the passengers' blood, which acts as a biological "feature" or clue to the mystery of Flight 828 . Upgrading clothing via Great Fairies
A key feature of this episode is the developing trust between Zeke Landon and Cal Stone . Zeke provides a unique perspective on the Callings, helping Cal understand that his drawings reflect future events rather than causing them—a "helpful" breakthrough for Cal’s character development . [S1E14] Upgrade