Investigating the spillage of Ori Priors, SG-6 returns from a mission to converted P2X-885 with the bad news and suddenly suffer symptoms of a serious infection, spotted too late to prevent a rapid spread in- and outside SGC, as contaminated crew weren't aware in time, even attending General Hammond's political speech, while Dr. Lam's team is clueless about treatment. Colonel Mitchell is on a hopeless mission to attempt containing the plague within Colorado. Meanwhile, Teal'c and Bra'tac are getting desperate as the Jaffa high council is inclined to accept Gerak's proposal to convert to Origin, even considering a civil war. Sam and Dr. Bill Lee work on a device that may theoretically sabotage the Oris' brains, but drown in options to find the right sonic waves combination.
—KGF Vissers