‘April.16, 2014. AM 08:48. Sewol Ferry sunk.’ Exploring what happened about diving bell, one of the biggest controversies after tragic event, the documentary tries to survive truth from burial by focusing ongoing course of media distortion and bureaucratic intervention in use of diving bell. 　　《潜水钟》的上映日期是2014-10-23(韩国)。 《潜水钟》的别名有：世越号的密秘-潜水钟 / The Truth Shall Not Sink with Sewol。