After finding the Syrrannites were not the ones who bombed the Earth embassy on Vulcan, Archer and T'Pol attempt to take a sacred, but controversial artifact back to the Vulcan High Council. The artifact holds the key to an internal religious struggle going on between the Vulcan people, which had provoked the bombing of the Earth embassy. However, powerful forces are out to prevent Archer, T'Pol, and T'Pau from reaching the High Council with the artifact alive.