After thirty years in prison, ex-con Ronnie recruits his grandson to exact revenge on Darryl, the cop who put him behind bars. Standing in their way is Ronnie's son, whom Darryl raised.
Inspired by the cult classic Tremors movies, locals attempt to coexist with the monstrous, man-eating Graboids, Shriekers, and Ass-blasters, which are now on a "protected species" list.
