When a mysterious broadcast from Guangdong Radio starts to unsettle the listeners, a young radio technician is drawn into a chilling investigation that blurs the line between reality and the supernatural....

The story revolves around a mysterious transmission on Panyu Radio, leading to eerie events and a quest to uncover a hidden truth....

When a group of skeptics attempts to prove the non-existence of spirits, they uncover a chilling secret hidden in the depths of an old radio frequency....