At the crossroads at the end of childhood, Nana faces the hectic passing of her adolescence and the arrival of new responsibilities as her grandmother Joséphine approaches her last hours. To calm the storm, Nana reads the enthralling tales of Josaphat-the-Violin - a returning character in Tremblay's Plateau-Mont-Royal Chronicles. Three of Josaphat's fantastical stories contain revelations whose full influence in her own existence Nana cannot yet measure...