Middle of the Night

Middle of the Night is a 1959 American drama film directed by Delbert Mann, and released by Columbia Pictures. It was entered into the 1959 Cannes Film Festival. It stars Fredric March and Kim Novak. The screenplay was adapted by Paddy Chayefsky from his Broadway play of the same name.

Professional acquaintances but not personal ones, Betty tells Jerry of her loveless marriage to George, a musician. Jerry has a daughter about her age, Lillian, and also a spinster sister, Evelyn, who is very protective of him.Jerry works up the nerve to invite Betty to dinner. He meets Bettys mother, Mrs. Mueller, and sister Alice, who share the apartment with Betty. Their relationship grows, but she professes to be leery of dating her employer. Jerry wonders if their age difference is really behind her reluctance. Despite this, a MayDecember romance between them develops. ........

Source: Wikipedia