While exploring a new planet, SG-1 find an orb that sends out electromagnetic signals. Thinking it's a time capsule of some sort, they return to Earth to begin their tests; however, the object begins to heat up among other things.

Jackson and Teal'c travel back to Abydos to fulfill a promise he made to Shau're's father Kasuf. When they arrive, Daniel learns that his wife, whom he hasn't seen since she was taken by the Goa'uld, is nine months pregnant. The father is Apophis, who plans to use the baby as his new host.