January 1242. Brother Walter is dying. He is an old man but the prospect of death does not disturb him - indeed, he welcomes it to meet with old friends and see God in the face. But before he finally joins the heavenly host he is determined to solve one last mystery that has been plaguing him for decades.But there are dark forces afoot that want to frustrate his efforts and are prepared to go to any lengths to keep secret events that even now could...