In a time of war and uncertainty, a young woman is evacuated from her home in London to live with an estranged relative in the countryside. The crumbling estate of her eccentric father holds a secret that has been hidden from the greedy eyes of those seeking powers beyond mortal comprehension.
Only a true blood relative of Lord Knightsbridge can gain access to a secret chamber and activate an ancient artefact of great power. Cassandra soon discovers a sinister plot by Nazi sympathisers that could turn the tide of the war against the allies. However, nothing is truly as it seems.