Stargate Atlantis #15: Brimstone

Doctor Rodney McKay can't believe his eyes when he discovers a moon leaving planetary orbit for a collision course with its own sun. Keen to investigate, he finds something astonishing on the moon's surface - an Ancient city, the mirror of Atlantis.

But the city is not as abandoned as it appears and Colonel Sheppard's team soon encounters a strange sect of Ancients living beneath the surface, a sect devoted to decadence and debauchery for whom novelty is the only entertain...