Cowboy and Indian's only wish was to come up with a brilliant idea for Mr Horse's birthday, but when their plan ends up in utter disaster, they'll need to travel the world and back to make things right again.

Cowboy and Indian are leaving on a luxury cruise, but they've got caught up. They have totally forgotten that today is back to school day! Goodbye tropical islands, our friends desperately find themselves on the school benches being put through the monotony of class. To liven the start of the school year up and to welcome the new geography teacher, the head teacher organises a big contest. The laureates will get to spend a day on the Moon together with M. Youri. Cowboy and Indian are of course ready to do everything to win.

Indian and Cowboy finally pass their exams. Horse buys them tickets for the County Fair. But at the last moment, he slips and comes crashing down on his head. He wakes up with no idea where he hid the tickets. So begins a race against time for them two to find the passes before it's too late.

School is out, and Indian and Cowboy are bored. Watching an old pirate film gets them out of their funk and they decide to build a ship and go off on an adventure. But their first try is a disaster. With the help of some animals, they finally manage to launch their proud vessel and everything is ready for their departure. But of course, nothing goes to plan... And the catastrophes come thick and fast.

The year’s end celebrations are coming. Christmas : the tree, the dinner, the presents. Indian and Cowboy are expecting their presents eagerly. Overexcited by the organisation of the celebration, they fight and destroy the Yule log on which Horse was putting the last touch. Horse is livid and cancels the gifts from Santa Claus. How will they win back the favours of Horse and The Old Bearded Man? How will they retrieve their gifts ? For Indian and Cowboy begins a long, very long Christmas Eve.

Indian and Cowboy are about to set off on a magnificent cruise on a luxury liner, but they have made a big mistake. They completely forgot that today is the first day of school! Goodbye tropical islands, our friends are back at their desks in school listening as the teacher drones on and on.