En rade or Becalmed, an 1887 novel by Joris-Karl Huysmans
Cœur fidèle is one of several early films to use the location of the Marseille dockside (in the wake of Louis Delluc's Fièvre, and looking forward to Alberto Cavalcanti's En rade), and the evocative images of looming ships and deserted wharfs contribute to a style which would be characterized over the next decade and a half as "poetic realism" (cf.