Which film has the quote: "Listen to me, mister. You're my knight in shining armor. Don't you forget it."?
Correct answer: On Golden Pond

Lady Little Squam
And filmed on Squam lake New Hampshire USA. My front yard!

Maestra
The real life relationship with the Fondas was similar to the onscreen family. This makes Jane’s unscripted touching of Henry’s arm, and his tearful and honest reaction towards the end even more poignant.