Daniel Jackson's successful decoding of the ancient Stargate hieroglyphics opened the inter-dimensional doorway to thousands of alien worlds. SG-1 leads the USAF effort to establish alliances with other races and find new technologies to be used against the ever present threat of the Goa'uld. Posing as the mythological gods, these parasitic creatures subjugate the races of the universe under their self-serving banners, destroying those who would stand against them. Jack has been captured by the Goa'uld and his very memories may be used against the SGC in an all out alien invasion. The SG-1 team must find a way to infiltrate a planet of enemies mobilizing for war to rescue their fallen leader.