Karl Lagerfeld was an enigmatic figure who spent his life reinventing himself. He ruled the fashion world for decades, making history with his achievements at Chanel, Fendi and his own brand. An extraordinary personality, a fashion Stakhanovite, a tireless worker who created day and night until his last breath. A flamboyant man too, in his appearance and in his words, known for his outbursts mixing perfidy, provocation and self-deprecation. He was also an illusionist, a provocateur, a controversial icon, who used the truth - particularly about his past - to embellish his legend. But where does this determination come from? What were his inspirations and motivations? And behind his enigmatic façade - with his tight suit, ponytail and dark glasses - who really was Karl Lagerfeld?

A look at the fashion icon that was Karl Lagerfeld, one of the most flamboyant and recognisable figures in fashion - and one of the most mysterious. His influence was immeasurable, from the Chanel catwalk to the high street - but how many people ever really knew the real Karl Lagerfeld? Weaving investigations in the present with Lagerfeld’s biography – illustrated by illuminating and much unseen archive footage – this film shows his profound and lasting effect on those around him, including his beloved cat Choupette.