Synopsis：After returning from a trip, wealthy girl Tang Shishi brings back a rare and stunning piece of red satin. She makes four identical "bestie outfits" from the fabric and shares them with her close friends Qin Jin, Lan Qi, and her cousin Xiao Ying. Soon, terrifying and bizarre events begin to unfold—those who come into contact with the red satin experience hallucinations and even self-harm... As misfortune looms, Qin Jin and Tang Shishi head to an ancient village, where they join forces with intern teacher Ke Liang and police officer Lu Ziming to uncover the secret behind the red satin.