In "The Land of the Dead," the seventh chapter of the Flash Gordon series, Dr. Alexis Zarkov perfects his revolutionary 'N-Ray', a device capable of harnessing the power of Nullitrion to neutralize Emperor Ming’s power plant. The best location for deploying the N-Ray is the treacherous Devil's Dome, situated in the Land of the Dead. As Flash and his team prepare their mission, Ming learns of their plans and counters by planting a devastating time bomb at the site. Unbeknownst to Flash, Ming's soldiers complete their mission but are captured by the enigmatic Rock Men who inhabit the region. As Flash approaches Devil's Dome, tensions rise with the Rock Men, who turn their attention towards the new intruders. With the clock ticking on the planted bomb, Flash and his companions face dual threats from the bomb and the territorial Rock Men. The suspense builds as they must discover and disarm the bomb before it's too late, all while navigating the complex dynamics with the Rock Men. Who are these mysterious inhabitants, and can Flash disarm the bomb in time to save his friends and thwart Ming’s sinister plan?