Surface Runners

In the underground setting of a post-apocalyptic world, humans are forced to live deep underground. Their well-being depends on a select group of men called Surface Runners who dare to set foot on the surface to recover supplies and spare parts needed for the survival of humanity. But these brave men's Run time is limited. Anyone spending over forty minutes on the surface meets death. For the enemy controlling the surface is fierce and unforgiving. And their leader is seemingly unreachable ...