Charles Williams was a British poet, novelist, playwright, theologian, and literary critic. Williams was a member of the Inklings, a literary discussion group at Oxford University in England, whose members included J.R.R. Tolkien, C.S. Lewis and Owen Barfield.

When platonic archetypes begin to invade London and the heavenly world intrudes on our own, a small number of people who know what is happening react in varying ways. Some attempt to control these rabid Ideas while others run and hide. One ignores their existence and another vows to stop their impending rule.