Based on the true story of acclaimed music icon "Dalida" born in Cairo, who gained celebrity in the 50s, singing in French, Spanish, Arabic, Hebrew, German, Italian, playing in awarded Youssef Chahine's picture "Le Sixième Jour", and who later committed suicide in 1987 in Paris, after selling more than 130 million records worldwide.

Clem follows the life of a young teenager, Clémentine, who becomes a mother at the age of sixteen, at the centre of tensions between her parents and Julien, the father of her child Valentin. It deals with the problems of teenage life and that of a mother with a strong personality.