"Some sisters solve crimes"

The Moustakas Sisters Mystery

Greek Detective Helen Moustakas is taken by surprise by a New Zealand farmer called Shirley Rangi, claiming to be her half-sister. Helen is reluctant to believe this revelation, and so agrees to a DNA test. In the meantime, however, Helen is called to investigate the peculiar death of an Archaeologist. A mystery which Shirley proves unexpectedly, although accidentally, helpful in solving.