Super Tounsi is a hilarious comedy that features Othmen, a charismatic superhero who, on his deathbed, transmits his incredible powers to Sliman, an ordinary individual constantly consumed by fear. This occasional hero discovers new confidence by confronting his own fears, but he quickly realizes that his mission goes far beyond his own destiny. Confronted with an evil psychopath, our national hero will try to foil his Machiavellian plan in order to save Tunisia. Between the epic battle scenes and the comical situations arising from Sliman's blunders, the film celebrates the idea that even the unlikeliest hero can stand up to defend what is right.

Following the arrival of the New Year, Slimane's wife, Zeineb, suggests spending New Year's Eve in a hotel. Meanwhile, his mother Douja, desperate to have her date canceled, makes a plan with Slimane's mother, Fadhila, to leave with them. The couple then meets for this evening with their mothers, as well as Sboui, his wife Azza and his children. Sboui, Slimane's brother, continues to do stupid things at the hotel which makes the stay unpleasant for the couple. Remaining in Tunis, Fouchika finds himself alone with Béji. He had planned this evening with his friend Sboui but finds himself with his former boss because he is having marital problems. However, Béji receives a phone call from his wife and reconciles with her. Shortly after, Béji leaves to join his wife at her in-laws, leaving Fouchika alone.

The story of the dysfunctional Tounsia family where Zakia, the matriarch of the family loves her son Selim to the point of enslaving the rest of the family. And the rest of the family just want one thing, and that is for Selim to get married and be out of their lives forever.