Bloodline (1979)
Bloodline is a thriller film picture released in 1979. Based upon the novel Bloodline by Sidney Sheldon, it was produced by Paramount Pictures and directed by Terence Young with music by Ennio Morricone. The film was also released under the title Sidney Sheldon's Bloodline. It was the only R-rated film to star Audrey Hepburn.
More at Wikipedia.