Anise, a new Tok'ra representative to Earth, approaches Stargate Command for help in testing some mysterious armband devices discovered amid the ruins of a distant planet. Anise believes the devices could be a powerful weapon in their war against the Goa'uld. Because symbiotes seem to render the devices ineffective, she requires human test subjects to prove her theory. Col. Jack O'Neill, Maj. Samantha Carter and Dr. Daniel Jackson volunteer. They are outfitted with armbands and, within a short time, begin to demonstrate incredible strength and speed. Dr. Fraiser becomes concerned, however, when medical tests suggest that the devices might be endangering their lives. Gen. Hammond orders the armbands removed — only to discover that the devices will not come off. Anise sees an opportunity and suggests that SG-1, now outfitted with the armbands, be sent to destroy a new ship being built by system lord Apophis. The general flatly refuses and orders SG-1 to remain on the base. Unfortunately, Anise isn't taking no for an answer. SG-1, its judgment clouded by the alien devices' influence, defies Hammond's order and sets off on what could be a suicide mission.