Emulsion is a psychological noir thriller about a man looking for his missing wife, set on the south coast of England. Ronny lives alone in a dirty old apartment. He watches the same film on a projector every night. This is a nostalgic reel of 16mm film; memories of his wife Isabella. He has become obsessed with his wife’s disappearance and each night Ronny stands in the very spot Isabella went missing from and tries to retrace his own movements and recap on any clues. One night, a prostitute is attacked in the car park and bundled into the boot of a car.