The SGC has come under attack from Anubis, who has a device that can use one Stargate to destroy another. With a wormhole dialed in to Earth's stargate, the SGC can not contact its off-world allies for help. Carter works furiously to find a solution. Meanwhile Teal'c is off-world attending his wife's funeral and his son believes she would not have been killed if Teal'c had not joined the fight against the Goa'uld. Bra'tac and Teal'c search for the planet Anubis is attacking Earth from and prepare to go into battle against him.