Twin brothers, Sun Xiaotu and Sun Xiaohu, live by the motto that there's more to the world than meets the eye, delving into paranormal investigations without batting an eye. However, when a routine case involving haunted twins takes an unexpected turn, their understanding of the supernatural realm is shaken. As they unravel the mysteries surrounding the hauntings, reality blurs with illusion, leaving them questioning the very fabric of truth. Amid perilous escapades, the brothers must decipher the hidden truths that the spirits guard closely, unveiling a deeper connection to the ghostly realm than they ever imagined.