 Dr. Carson Beckett s gen therapy is a success, Rodney McKay has now the ancient gene. He tests an ancient device that makes him invincible. There s one problem, he is not able to take it off and can t drink or eat either. Meanwhile the Athosians try to find a way to live among the people from Earth. Jinto, Halling s son, and Wex start a game. Wex will play a Wraith and Jinto will be major Sheppard hunting him Suddenly Jinto is gone and no one can find him. Extensive rescue parties aren t successful either. Then the power supply suddenly starts having problems. One of the Athosians says she has seen a shadow.