43 years after the legendary Texarkana run by Cletus Snow and Bo Darville, their grandchildren discover that the vehicle used to block the police, Trigger, is in the possession of Buford T. Justice's own grandson. Together, Clementine Snow and Booker Darville must travel from Jonesboro, GA to Canton, TX, and back again in under 24 hours to secure the family heirloom.