Two sisters go diving at a beautiful, remote location. One of the sisters is struck by a rock, leaving her trapped 28 meters below. With dangerously low levels of oxygen and cold temperatures, it is up to her sister to fight for her life.
温馨提示：[DVD：标准清晰版] [BD：高清无水印] [HD：高清版] [TS：抢先非清晰版] - 其中，BD和HD版本不太适合网速过慢的用户观看。
