Secret of the Blackbirds () is a 1983 Soviet crime film directed by . The plot is based on Agatha Christie's novel A Pocket Full of Rye.
The head of a wealthy family, Mr. George Fortescue, has been poisoned. Inspector Neal is investigating and learns that the deceased was an unpleasant person. His death was beneficial to all members of the family. It is not an easy matter, the rarest poison was used for poisoning. The violent death of the maid Gladys, and later the mistress of the house, Adele, completely confuses the investigation. But Miss Marple intervenes.