The Zero Option

A probe detected a biosignature on Saturn's moon, Enceladus. Starship Sagan departs Earth, hoping to find life there. The Waterians, uplifted by Custo, are discovered by the team. Custo threatens the team for interfering with the new species. General Stanton sends the starship Blazar to attack Custo. Santu protects the team. Centra terraforms Enceladus. Centra executes The Zero Option.