In a town where water keeps rising, peculiar houses are built. Each time a house is flooded; its inhabitant builds a new floor on top of it. There are thus, underwater, houses built on top of each other, looking like small piled up cubes. Over time, inhabitants have left the town, and today only an old man continues to resist the sea level rise. One day his tools sink into deep water so he puts his diving suit on and dives into the water to the lower floors in order to get them back. Every room sings him a song reminding him of the past, bringing back shifting memories from the depths. Therefore an immersion into the past begins for the old man, a delicate flashback, as if the film of an entire life unfolded before our eyes... a film going backwards.