Sydney must travel to Sri Lanka to outwit Sark in order to find a crucial piece of Intel from a computer disk that she recovers from Rabal. Meanwhile, Jack faces Sydney's mother for the first time in almost 20 years in her prison cell to discuss Sydney's well being. Also, Will finally meets Vaughn, and Sloane is haunted by his wife's death when someone begins sending him anonymous letters which have Emily's handwriting on them.—Anonymous
Sydney's former nemesis, Mr. Sark, re-enters the pictures, trying to launch a satellite with powerful spying capabilities. Sydney once again must turn to her mother for assistance to find out what He's looking for. But She gets more than She bargained for when a harmless question hints at a deeper secret. Meanwhile, Vaughn and Will meet for the first time.—Anonymous