다이빙벨
Diving Bell
the truth shall not sink with sewol
The Truth Shall Not Sink with Sewol (Diving Bell) is a South Korean documentary film about the sinking of MV Sewol, directed by Lee Sang-ho and Ahn Hae-ryong.Director Ahn said about this film "Families of the deceased are also important and I understand their sorrow, but we need to throw a question to reveal the truth.
It won Grand Prize at the Fukuoka Asian Film Festival in 2015
Source: "The Truth Shall Not Sink with Sewol" Wikipedia page