At 17, Sonia almost left her family to go jihad. She was convinced that this was the only way for her and her family to go to heaven. She finally came back to reason. Unlike Mélanie, 16 years old, raised by her mother, she was a teenager with no history, who shared her life between school, her friends and her cello lessons. But on the Internet, she began to argue with a "prince" who managed to wash her brain. Filled with guilt for not having seen anything, the parents watch helplessly with the metamorphosis of their child.