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Four friends are on a hiking trip into the deep midst of a forest. While filming the trip they accidentally lose one of their cell phones. In search of the lost phone they discover a mysterious black hole in the ground. Curious and puzzled by this newly discovered hole, they decide to explore it, which leads to a dramatic chain of events. Watch O in HD free online now on MyWatchSeries with multiple servers and instant playback. Enjoy high-quality streaming of O and share your thoughts in the comments below!