A comedy of manners, the film centers on virtuous actress Patty O'Neill, who meets playboy architect Donald Gresham on the observation deck of the Empire State Building and accepts his invitation to join him for drinks and dinner in his apartment. There she meets Donald's upstairs neighbors, his ex-fiancée Cynthia and her father, roguish David Slader. Both men are determined to bed the young woman, but they quickly discover Patty is more interested in engaging in spirited discussions about the pressing moral and sexual issues of the day than surrendering her virginity to either one of them. After resisting their amorous advances throughout the night, Patty leaves and returns to the Empire State Building, where Donald finds her and proposes marriage.

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