Watch Open Water 3: Cage Dive (2017) HD Full Movie Free on SolarMovie. Watch Open Water 3: Cage Dive (2017) online free. Three friends filming an audition tape for an extreme reality-TV show find themselves stranded in sh...Three friends filming an audition tape for an extreme reality-TV show find themselves stranded in shark-infested waters, turning their recording into a bloody diary of death. Do they have what it takes to survive the open water?