Every day, hundreds of millions of emojis are shared around the world. How are these drawings created and who decides what can be invented?

A young journalist realizes that her phone has a petrol pump emoji and a nuclear power station emoji, but no wind turbine emoji. So she starts investigating: who decides which emojis accompany us in our daily lives? She meets the Japanese creator of the first emojis, the American trainee who drew the most popular ones, a lawyer who is a specialist on the subject, an Egyptologist who compares hieroglyphics and emojis... and retraces the history of a global phenomenon.