In Cavalier alone, 5th volume of Lucky Luke's New Adventures, Pennac, Ben acquista and Achdé announce... the separation of the Daltons! This 5th episode of Lucky Luke's New Adventures opens with an umpteenth failed blow of the Daltons. But this time, Jack, William and Averell decide to remove Joe and ride alone. Each of the brothers will leave on his side, and the one who, the first, will win a million dollars will be the new leader of the Daltons.