A train stowaway with a dissociative disorder must deliver a crucial parcel to Berlin while evading relentless pursuers, mortal peril, and the mistakes of her past.

When Professor Goodman, arch-sceptic out to debunk the paranormal, embarks on an investigation of three apparent hauntings – as recounted by a night-watchman, a teenage boy, and a businessman awaiting his first child – Goodman finds himself at the outer limits of rationality, and fast running out of explanations.