Colin Winslow's interest in animals, medicine, and healing brings him in contact with a strange woman who lives in the woods, Meg Caradoc. She teaches him the fine art of using a variety of herbs to quell sickness and pain. In the court of Queen Elizabeth, this once shy and uncertain young man finds himself in the midst of intrigue and assassination plots. When Colin faces his most difficult case-- curing the wounds of his own brother Adam-- he must confront his attraction to Adam's wife, and his unsteady faith in God. Will he abandon his noble role and succumb to temptation?