When a young subway worker discovers the chilling secrets of the Tianjin Line 9, she is drawn into a terrifying journey through the subterranean depths, where the line's ghostly spectre holds a dark secret that could change the fate of the city....

A gripping tale of mystery and the supernatural, where the enigmatic occurrences on Tianjin Line 9 unravel a chilling whodunit, leaving readers on the edge of their seats....

In the depths of Tianjin's Line 9 subway, a series of unexplained events threatens to unravel the fabric of reality, as a group of intrepid explorers delve into the heart of the haunting....