London 1864. On a Hackney bound train, a guard discovers blood in a first class carriage - and a body on the railway embankment. For the first time, a murder has taken place on Britain's railways. Over a hundred years later, this single …
After some tragedies, a couple moves back to her childhood home. Robert discovers an old portrait of a man who looks like him, he goes down a rabbit hole to discover the identity of this mysterious doppelganger.