No smoking

During the medical checkup at school, Victor makes a depreciative comment about the color of the skin of his classmate, Fong. Racist reflections are nastiness; but you can learn not to propagate them!

Auntie Renée is visiting Lucas. She brought her son's old clothes for Lucas who really doesn't know how to politely refuse without upsetting her. Celestin encourages Lucas to explain to his mother and his Auntie how the shape and style of clothing does not suit him.

Mom and Dad realize that Lucas's bedroom needs a makeover. But they make their choice without consulting Lucas. Lucas has his own idea about what he wants; he manages to express what he wants with the help of Celestin.

Emma came to spend a few days with Lucas because her parents are traveling. Both sit in front of the television and, because they want to watch different programs, they fight over the remote control. Lucas reacts badly but Célestin makes him understand that he is not alone in the world. Lucas then apologizes and offers to watch Emma&…

Lucas plays at Brice's who lives in an apartment. They decide to go get Brice's bike from the cellar. In the hall of the building, a young man offers to accompany them. The day before, a neighbor of Brice was attacked in the cellar. Lucas does not want to go down with the young man because he does not know him. Brice and…

During the gymnastics class, Lucas is being silly and makes Emma and Thomas laugh. The teacher gives them extra laps to run as a consequence. Thomas has a hard time keeping up and ends up having a side stitch; Celestin helps him catch his breath. The teacher then explains to the class that the physical education class is designed for…

Emma, Lucas and Brice enter a grocery store to buy ice cream. While the grocer is away, a cat drops by accident a videotape under a piece of furniture. On his return, the grocer accuses Brice of having stolen it. Celestin finds the tape and Brice is proven innocent. Children pick up their money and leave the grocery store without…

While Lucas, Emma, Thomas and Huan are at the pool, Victor starts to bother them. Lucas and his friends decide to take revenge on him, but Celestin prevents them of doing so because one must not do their own justice.

In the corridor leading to the pool, Victor is getting impatient behind David who is a bit overweight. Celestin explains to Lucas, Thomas and Emma that we must not make fun of people's physical differences. (Intimidation)

Lucas and Emma go to Brice by bus. Emma is seated next to a gentleman who is reading an illustrated magazine of women in swimsuits. He starts an unconfortable conversation for Emma. Lucas doesn't realize anything. Celestin joins Emma and advises her to show her displeasure loudly. The other passengers alerted force the man to…

At ski camp, Emma panics before getting onto the chairlift and Victor makes fun of her. Celestin explains to Emma that she is afraid of heights and that it is not a lack of courage; he advises her to speak to the instructor, who will dispense her from the ride.

During recess, Victor annoys Julien who is shy and puny. By accident, Julien walks on Lucas and Thomas marble game. Lucas is also getting mad at Julien. Celestin has to explain to Lucas that he is wrong and that we must always defend the weakest. (Intimidation)

Dad gives Lucas pocket money. In front of the supermarket, Lucas wants a crepe and Celestin makes him understand that he can now use his own money. Lucas buys a crepe for both him and Thomas. His parents congratulate him for sharing so well his pocket money with a friend.

To sell well is to gain customers, but to deceive the customer is to make him go to the competitor.

Lucas offers Emma and Thomas to browse the Internet to research for a presentation. Célestin reminds him that his parents would not agree for him to surf the web alone, but Lucas does not listen.