A group of 6 journalists from Beijing, China, traveled to Malaysia to write a magazine feature. With the help of 2 local journalists, they went into the deep mountainous area of Ulu Langat forest for investigation. They found many strings of milk cans hanging in the mountains. Driven by curiosity, they decided to explore the truth. The originally easy interview work was fraught with danger. The accompanying journalists were frequently attacked by an unknown beast and died one after another. At the same time, the only road in and out of the forest was blocked by the pouring mud. Fear deeply enveloped everyone's heart, and everyone followed the crowd. The instinct of survival made them calmly analyze the ins and outs of the incident. In the face of doubts about the strings of milk cans and the strong obstruction of the old Malay witch doctor, Bo Su, they decided to find out the truth. In the end, everyone finally unveiled the mysterious veil behind it...