The Nightcomers is a 1971 British horror film directed by Michael Winner and starring Marlon Brando, Stephanie Beacham, Thora Hird, Harry Andrews and Anna Palk. It is a prequel to Henry James The Turn of the Screw, which had already been adapted into the 1961 film The Innocents. The manor house in the film is Sawston Hall, a 16thcentury Tudor manor house in Sawston, Cambridgeshire.
The children begin spying on Quint and Jessels violent trysts and mimick what they see, including the bondage, culminating in Miles nearly pushing Flora off a building to her death. Mrs. Grose determines to write to the absent Master of the House in order to get both Quint and Jessel fired. The children are most distressed by this, and decide to take matters into their own hands to prevent the separation. Acting on Quints assertions that love is hate and it is only in death that people can truly be united, the children murder Miss Jessel by knocking a hole in the boat she uses to wait for Quint who never keeps the appointments, knowing that she cannot swim. Quint later finds Miss Jessels rigid body in the water, but is given little time to mourn before Miles kills him with a bow and arrow. The film ends with the arrival of a new governess, presumably the one who features in The Turn of the Screw.The children in the film are portrayed as being a few years older than in the Henry James novel, probably due to the sexual nature of the film and their roles in it Verna Harvey was in factat the time. ........
Source: Wikipedia