Deborah and Rachid both grew up in a Lyon suburb where everyone knows each other. Their respective religions and cultures weigh on them and forbid their budding love. Two religions that all seem to oppose but ultimately not so different from each other. Braving family and religious prohibitions, they meet again on the evening of a starry night. Treason? The line has been crossed ... from this night of love two twins came into the world.

Lucie, a young French woman passionate about perfume, sets out on a research trip abroad. Her tragic destiny crosses paths with Younes, a penniless taxi driver who delivers her into the hands of Islamist kidnappers, and with Abou, a jihadist also from France.