The Moon Is Blue

In New York City, prim and proper would-be actress Patty O'Neill (Maggie McNamara) meets charming architect Donald Gresham (William Holden) and, despite learning he has a girlfriend and being wary of his intentions, accompanies him to his apartment for dinner. They meet Don's girlfriend, Cynthia (Dawn Addams), in the elevator, but she ignores both of them. Later, when Don goes to buy groceries, Cynthia returns -- as does her decadent father, David (David Niven), who Patty unexpectedly likes. …