When the rich widow hiring Rosemary and Thyme to restore a garden and waterfall is murdered, a gardening book written by her late husband may hold the key to the solution.
The Caldecott family is turning their estate into a health spa. Rosemary and Laura are asked to restore the decayed grand water cascade of their once famous garden. When the ill-tempered matron of the family is murdered, Laura and Rosemary attempt to expose the killer by reading clues left in the flower garden by its long dead creator.—Anonymous