Synopsis: Don't Breathe

Su-Yeong, a man who lost his dreams in an unexpected accident, embarks on a cruise with his younger sister, Hee-Su. However, a mysterious virus spreads throughout the island, and monsters that take human heads attack. Su-Yeong is separated from his sister, and the only escape is the vast ocean. Will he be able to find his sister and safely escape the cruise ? **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=841941), [Naver Series](https://series.naver.com/comic/detail.series?productNo=13023760)