by Ngaio Marsh
Adapted for broadcasting in eight parts by CEDRIC MESSINA with Noel Johnson and Mary Wimbush
Part 4
At his seventy-fifth birthday party, Sir Henry Ancred has announced changes in his will. When Troy's portrait of him is unveiled, it is discovered that someone has painted an emerald green cow over it. The next morning Sir Henry is found dead
Produced by DAVID H GODFREY