The Trespasser(1981)

Adapted from the D. H. Lawrence novel this tells the romantic story of Siegmund and Helena. Siegmund, an orchestral violinist who is married with three children, has tutored Helena for several years and they've fallen in love but he will not leave his wife or consummate their passion physically. Helena arranges for them to go on an idyllic holiday to the Isle of Wight, hoping that will convince Siegmund to break away from his marriage and they can be together.