Synopsis：Newlywed Xiao Ling'er travels to her childhood mountain villa for a vacation, only to be terrorized by eerie occurrences. The late-night return of the gatekeeper and the appearance of twin girls plunge her into panic. As her best friend and ex-boyfriend arrive uninvited, the emergence of a girl in red unveils the legend of the ghost doll Mary. Trapped deep in the mountains, the group endures supernatural phenomena and bloody incidents. The film incorporates Chinese folk horror elements such as the "Red Umbrella Ghost" and "Shoulder Sun Lamps," utilizing imagery like a red figure on a rainy night and an umbrella edge reflected in a bathroom mirror. Sound and visual designs, including creaking wooden doors and blood gushing from faucets, intensify the thriller atmosphere. A twist ending reveals themes of human greed and betrayal.