Zhou Tong (Tong Liya), a rich girl from Suzhou, and Li Yi (Jorge Wang), who was abandoned by his parents since childhood, are a pair of childhood sweethearts. After years of love, they finally got married and lived overseas. Ten years later, Zhou Tong, who lost her relatives one after another, was under tremendous mental pressure and had to rely on drugs to relieve her condition. One day, her father's lawyer called Zhou Tong and asked her to handle the inheritance issue, so the couple set off to return to their hometown after ten years. The familiar ancient town and mansion did not give Zhou Tong any comfort, but instead made her fall into more serious mental distress. After that, Zhou Tong saw all kinds of incredible and strange phenomena one after another. This mansion shining with purple light seemed to be leading her into a terrifying vortex from which there was no return. Behind the confusing events lies a secret that has been forgotten for many years...