Линия смерти (1972)

Beneath London's busy streets, a strange mystery emerges between Holborn and Russell Square stations. A series of unexplained disappearances, including those of important people like a senior government official, has now drawn the attention of Scotland Yard. An adventurous young couple gets caught up in the dark secrets hidden deep within the Tube. Working with the police, they explore the unsettling world beneath the city, uncovering frightening truths and facing their fears as the danger grows.