Mouk and Chavapa are in the Sahara desert, they must give Zerda a charm bracelet to bring him luck in the dromedary race. On the way, they meet Aïcha, a young musician and Didi, her dromedary.
Mouk and Chavapa are in Darjeeling, India. Popo and Mita ask them to take pictures of the tea harvest for a presentation they have to make at school. Suddenly, our friends' computer breaks down. Luckily, India is a much more modern country than they realised...