The setting is New England, 1886. When young Hetty Eaton unexpectedly receives an inheritance from a father who had previously ignored her, she also finds herself warmly welcomed by her cousin's attractive husband Reed Whitmore. After her cousin's ""accidental"" death Reed proposes, much to the approval of his cagey mother and uncle. They move to her father's mansion which has many rooms, a forgotten door and the key to her mother's disappearance, her father's disapproval, and her own future. Overlong, it'll be a hard day's night for the ladies, Miss Disney's major audience.