In the mysterious Antarctic ice, the abandoned base of the Stargate Builder was discovered. The Stargate Atlantis team was called to carry out the most adventurous Stargate mission - to the distant Pegasus Galaxy. The Atlantis team encountered attacks from ancient human civilizations... including a new enemy that constantly threatens human life everywhere - The Wraith. Dr. Elizabeth Weir is the captain of the Atlantis team. She is an expert in diplomatic relations. She has outstanding political talents, but likes to bluff in the military and serves as a major in the army. John Sheppard is a talented driver. Lieutenant Aiden Ford serves as the co-pilot. He is a young and enthusiastic officer. Dr. Rodney McKay is a smart and witty astrophysicist who has served in the Stargate Command. There is also a friend on the spacecraft - Teyla, who is the young and beautiful leader of the Arhosians in the Pegasus Galaxy, and fights The Wraith together with the Atlantis team. Many new faces have been added to the new season, the most notable of which is Ronan Dex, a Pegasus galaxy man who has fought against The Wraith for seven years to defend his planet. There is also Colonel Steven Caldwell, the commander of the Earth's newest galactic battle cruiser Daedalus. A new season brings new adventures, and the adventure of Atlantis is back again, leading you to explore the abstruse universe.