Dramatisation of PD James's mystery. Following the death of her son, Lady Ursula Berowne talks to medical consultant Stephen Lampart about his relationship with her daughter-in-law. Meanwhile, Dalgliesh prepares to visit the grand lady himself. Dalgliesh ...... Richard Derrington Kate Miskin ...... Deborah McAndrew Lady Ursula ...... Auriol Smith Mattie ...... Octavia Walters Lampart ...... David Birrell Directed by Peter Leslie Wild.