A bizarre version of Jekyll and Hyde, full of the elegance and beauty of the first decade of the century. A rich man drinks a potion and becomes a black man. He runs away and finds refuge amongst the down-and-outs. He tries to go back to his house. Discovered he reacts and his beautiful villa goes up in flames. He wakes up. It was a nightmare. The flash titles and the colour indications add ghosts to a story of dream and mystery.