Erica Barry (Diane Keaton) falls in love with Harry Sanborn (Jack Nicholson) a swinging senior citizen who originally was dating her daughter. Their courtship is at the center of "Something's Gotta Give."
Harry: [as Eric tries to call the cops, believing he is an intruder] You don't understand... I'm dating your daughter! Erica Barry: Oh my God! You're dating my daughter? Harry: Now who would have thought that was worse news?