This is NOT my video. It was first made by NocutV and published on youtube: https://www.youtube.com/watch?v=TOmTO9KHKhI under the title [여객선 침몰] 절대 잊어선 안될 5人의 세월호 의인들. I was so touched by it that I decided to give it english subtitles so that more people could understand it.