And why does Ruby, real name Alison Jones, aged 50-plus, desire the Munkácsy painting “Promenade in Parc Monceau”, dated 1882? Obsessed by the artistic spirit of the painting, they all realise they have taken on a venture beyond their grasp. Sir Edward finally understands this as he loses his mind over a desire he must fulfil. While “Promenade in Parc Monceau” returns to its spot on the castle wall, the prized illicit booty has changed lives, some for better, some for worse. Who will succeed beyond this particular promenade, York is asking us.