Ghani is a young man of limited intellect who is determined to sacrifice his buffalo, Lambo, in order to fulfill his older brother's dreams. He and his mother work hard to support the family and finance his brother Mustafa's education. Ghani often questions why he needs to make sacrifices for his older brother.

Cyprien, a young environmental activist, has come to work at a high school to raise awareness among the students. To do so, he creates the character of EnvironMan, a charismatic but clumsy superhero, assisted by his boss, Morgane.