Welcome to Silo-1 - a vast underground city ravaged by drug-addiction and violent crime. Welcome to the Underworld. In this hellish domain, Silo lawman Pete Mitchell launches all-out war to avenge his partner's brutal murder. But there's more at stake than payback - as Mitchell races against time to destroy the Underworld's evil core...and rescue Silo-1 from eternal damnation.
Underworld is an action-packed short story, inspired by Hugh Howey's post-apocalyptic Silo series.