Alphonse "Dave" Davecki is called to an accident involving a classic 1986 Corvette that fell from the Blatnik Highbridge in Superior, Wisconsin. Davecki studies clues the 'Vette left behind and determines it is murder most foul. All that remains is for Dave, Pat Stanski, and CSI Eunice Lincoln to figure out whodunnit. The trio of talented investigators get tripped up now and then as they navigate the dysfunctional dynamics of a wealthy grain merchant family involved the the shadowy world of geo-political black market grain shipments originating in little ole "Supe-Town".