Queen Haven has received a tip-off from an unknown source about strange goings-on on the subway system that runs beneath Zephyr Heights. Disguising herself as a normal citizen, she heads down to investigate. Little does she realise, this investigation will take her on a horrifying journey into the unknown, one that threatens to be the end of the line, so to speak...

Loosely based on the now-defunct theme park attraction Derren Brown's Ghost Train, an ambitious but ultimately flawed attempt to reinvent the ghost train.