Background: Atlantis is within 100 years of being destroyed due to failing power. Two of the city crafters decide to ensure the city survival. They descend into human form,  marry and have 4 children. Four Ancients are needed to unlock and reclaim the city, including activating the city AIs which hold the secrets of Atlantis. Emma Sheppard dies in an accident when the boys are 9-14. Setup: John is recruited to be the military commander for the expedition. He and his 3rd brother, Alex, are part of the original expedition. Patrick Sheppard dies while the expedition is cut off from Earth. David Sheppard raises holy hell trying to find his siblings. Eventually, Jack O’Neill reads them in, including that they’re working on reinforcements for Atlantis. David and Matthew both join the mission. David goes with the reinforcements through the gate, Matthew travels on the Daedalus as a  pilot. When the brothers are in the control room together, they’re asked if they want to claim the city. Major plot points:When the brothers claim the city, the mask on their DNA is removed. They’re fully AncientTensions rise with the SGC command (Landry) when they refuse the order to hand over control of the city to the IOA’s choice. They also refuse the order to be recalled to EarthSGC tries to force the issue. They are unsuccessful in getting control of the city because of the AIsParents make an appearanceAll four brothers resign from the military and try to negotiate with the SGC and the IOA for Earth personnel to continue to staff the cityEverything seems to be settling down, but assassins are sent on the next Daedalus runMayhem ensues