The Truth Shall Not Sink with Sewol (Korean: 다이빙벨; RR: Daibingbel; lit. Diving Bell) is a South Korean documentary film about the sinking of the MV Sewol, directed by Lee Sang-ho and Ahn Hae-ryong.

The documentary draws back the curtain on one of the most controversial parts of modern Korean history, the aftermath of the sinking of the MV Sewol, which resulted in the loss of 304 people. Through a variety of news reports and eyewitness testimonies, directors Lee Sang-ho and Ahn Hae-ryong show how the large South Korean media companies colluded with the government over the information about the sinking of the ferry. He highlights the suffering of the victims’ families, their quest to discover the cause of the accident, and the truth behind the government’s behavior during and after it. The documentary focuses on the use of a diving bell, a piece of equipment that allows divers to stay underwater for long periods of time.