The Carnacki Institute exists to "Do Something" about Ghosts - and agents JC Chance, Melody Chambers, and Happy Jack Palmer will either lay them to rest, send them packing, or kick their nasty ectoplasmic arses with extreme prejudice.

Their current assignment: investigate a major haunting deep underground at London's Oxford Circus Tube Station. Difficult - and dangerous - enough without the added interference of a pair of agents from the infamous Crowley Project whose mission is much simpler: eliminate Change, Chambers, and Palmer, whatever the consequences...