Five romantic characters share their lives in a vast castle. Each in his own way is looking for an absolute: J. wanders in the graveyard, B. hacks, C. causes love adventures, A. walks the forest on his horse, and F. repeats in a rock band . A. and J. nourish an idyll that leads them on an "initiatory" journey. Different states of mind pass through them, a sweet mixture that will make them rediscover the world of childhood and haunted castles ... Sonorized with the voice of Antonin Artaud, shot with a very contrasting photographic process, Le rouge de chine refers to the origins of cinematograph.