What Good is Evil?

Rose doesn't understand why she can't get the missing homeless guy out of her head but she tracks him down eventually with repercussions she could never have dreamt of.
God, the devil, angels and Watchers represent a world a million miles away from her quiet life in Norwich, or so Rose thought.
In the race against time which ensues, Rose wonders whether she has the strength to get the mysterious Luke out of her system without risking everything she stands for.