One evening, after a theatrical performance, the costume designer of the play that has just ended is offered a lucrative project: to become the President of the wardrobe of a rich prince. Now, the prince in question happens to be none other than Lucifer.

This historical drama with music examines the life and times of Émile Nelligan, one of the major Canadian poets of the 19th century who struggled through a difficult childhood with the help of his loving mother, only to see his career cut short by tragic circumstances.