Tahssina is a satirical social comedy about the clash between generations. The film follows Jaafar, a retired high school principal who takes a new job at a private school. There, he unexpectedly enters into conflict with a brilliant student over his modern hairstyle. The situation escalates when the student’s mother, Oum Kalthoum, a famous YouTuber, launches an online campaign against Jaafar. What begins as a simple disagreement quickly turns into a public debate, pushing Jaafar into a series of humorous and ironic situations.