Watch Anaconda Mountain for Free: How to Stream the Movie Online at 123Movies. . Huang Shen, Lin Wei and a group of their coworkers went to Mangshan to find news to save the newspaper company they work for, from bankruptcy. Instead of the news they encountered a giant snake raised by Aunt Mei. The group was attacked several times, but were also rescued by a mysterious person, and then lured to a foggy forest which they can't escape. Huang Shen must do his best to help everyone survive and defeat the snake.