Inspired by true events, Nick Offerman delivers a career defining turn as a radicalized father dragging his son into fringe extremism. Plagued by financial ruin and ideological obsession, a rogue father (Nick Offerman) and his teenage son (Jacob Tremblay) go on the run across rural America, promoting a dangerous anti-government movement. As their beliefs escalate, they clash with a relentless police chief, triggering a deadly cat-and-mouse chase. Sovereign delivers tense confrontations, escalating paranoia, and a final showdown where loyalty turns lethal.