Tomb of the Sea (2018)

Li Cu, an ordinary senior high school student was kidnapped and brought to the Badain Jaran Desert. Of those who went there, none has came back alive. The scars on his back, holds the key to the mystery of the ancient tombs. Under the threat of Wu Xie, Li Cu follows him to the ancient tombs. Together they discover the stories behind the disappearing people in the pictures, the unexplained shadows, the broken cameras, the mummies, and more.