Lucky Luke must help protect the democratic process, from Washington to Texas. Ulysses S. Grant's second term is ending, and the USA must elect a new president. After the many corruption scandals of the previous administration, the Republican Party has selected an upstanding candidate, Rutherford B. Hayes. However, a rich Texas oil tycoon with his eye on the White House has other ideas, and money can buy many votes... or bullets. Luke is called upon to protect Hayes as he tours the wild, wild West...