Why run away from home when you can drive?

Josh and Sam are two brothers facing change, their mother is about to marry a French accountant and the kids are sent to go live with their father in Florida. Meanwhile, Josh tells Sam that he is a "S.A.M." that is going to be sent to Africa to fight in a war and that Canada is a safe haven for any S.A.M. unwilling to fight. Will Josh & S.A.M. make it to Canada or will they wish they should have never left home?