Reverend Wainwright's spiritual crisis as his faith is tested by the reality of ancient evil and his inability to reconcile belief with reason

In heavy rain outside a wartime naval camp building, the Doctor explains the haemovore menace to Ace and Reverend Wainwright, immediately shifting their focus from mythical creatures to ancient history. …

Trapped at the tunnel exit in the fading light of the naval camp, Reverend Wainwright endures the haemovores' psychic torment. His steadfast faith has held their advance until the seeds …