A young engineer's descent into the heart of a mysterious tunnel leads to a chilling encounter with the supernatural, unraveling a century-old mystery....

In the heart of the Qinling Mountains, a group of archaeologists stumbles upon a hidden tunnel that leads to a forgotten era, only to find themselves entangled in a chilling mystery that spans centuries....

When a young researcher stumbles upon an ancient, abandoned tunnel, she discovers a chilling secret that intertwines with a dragon's lament, leading her into a haunting adventure filled with echoes of the past and the supernatural....

A young researcher stumbles upon an ancient, forgotten tunnel rumored to be haunted by the spirits of those lost to time. Her quest to uncover its secrets leads her down a chilling path filled with eerie whispers and a haunting mystery that threatens to c...

When a group of friends discovers an old, abandoned tunnel rumored to be haunted, they embark on a harrowing journey that will test their courage and unravel the secrets that lie within its walls....

A group of travelers boards a mysterious train journey through the USA's tunnel system, only to find themselves haunted by the eerie disappearance of the 13th passenger....

When a young historian discovers an ancient tunnel rumored to be haunted by spirits, she becomes entangled in a chilling past that tests her resolve and the boundaries between life and death....

In a forgotten tunnel, a worker's supernatural journey leads to chilling whispers and a haunting revelation that intertwines past and present....

A young woman's quest to uncover the truth behind her grandfather's mysterious disappearance leads her down a dark, tunnel-lined path, where she confronts the haunting legacy of a long-forgotten tragedy....

In this chilling tale, a group of historians delves into the enigmatic Cryptic Crypt, where a haunting secret from the past threatens to shatter the present, as they uncover the chilling truth behind a mysterious tunnel....