Sundays, June 18-25, 9-10pm ET
Supersleuths Tommy and Tuppence Beresford join Miss Marple to investigate two disappearances and an unsolved murder. 

In a new take on this classic Christie tale, Miss Marple joins fellow Agatha Christie supersleuths Tommy and Tuppence Beresford (Anthony Andrews and Greta Schacci) to investigate the disappearances of two nursing home residents and the unsolved mystery of a murdered child. In addition to Schacci ( White Mischief ) and Andrews ("Brideshead Revisited"), the cast includes Charles Dance ("Bleak House") and Claire Bloom ( Shadowlands ).