For his wedding trip, his father-in-law and guardian Jérémi Jonathan Josapha John Junior (JJJJr) wants to offer him a trip across the U.S. West. Lucky Luke will be in charge of overseeing this high-risk expedition. Athletic City – John Little Feather, says Chet, is a 40 kg gringalet. To become the knight serving three young girls at the village party, he must overcome the rodeo test, lift up the statue of the big place and pick up a ham from the cocagne mast. Fortunately, Lucky Luke will turn Chet into an athlete! Olé Daltonitos – After escaping, the Daltons attack a stage and replace the bullfighters she was carrying. They will eventually have to participate in a bullida under the eye of Lucky Luke who will bring them back to the penitentiary once again. A horse disappears – Jolly Jumper has disappeared! Lucky Luke will receive a ransom request from him.