Mon ami Walid: Walid works in a grocery store thanks to an integration program. After a difficult day where clients have argued and his boss yelled at him, he tries to end his life. He is saved by Antonin, an extroverted employee who decides to follow him everywhere in order to avoid an irreparable gesture. Together, they roam the city, multiplying chance encounters. Antonin even decides to bring him to his support group. Regardless of the results, he will do everything in his power to make his new friend want to live again.