In 2022, gamers celebrate the launch of Sword Art Online, an innovative VRMMORPG featuring the cutting-edge NerveGear technology. However, their excitement quickly shifts to dread when they realize the game lacks a crucial feature - the ability to log out. Trapped in the immersive world of Aincrad by the NerveGear, players must brave its hundred floors to escape, knowing that failure means a fatal end in both the virtual and real worlds.