Free Online HD on Lookmovie. After quitting filmmaking about the tidal flat that underwent Saemangeum Seawall Project a few years ago, she moved to Gunsan-si, a city of Saemangeum, as she seemed destined to. Sura: A Love Song delivers the course of rediscovering the beauty of the tidal flat working together with the Citizens’ Survey Group on Saemangeum that has continued its research for nearly twenty years.