The loons are back again on Golden Pond and so are Norman Thayer, a retired professor, and Ethel who have had a summer cottage there since early in their marriage. This summer their daughter Chelsea -- whom they haven't seen for years -- feels she must be there for Norman's birthday. She and her fiance are on their way to Europe the next day but will be back in a couple of weeks to pick up the fiance's son. When she returns Chelsea is married and...