Pilot Jed Towers (Richard Widmark) encounters the beautiful Nell Forbes (Marilyn Monroe) while staying at a hotel in New York City. Jed pursues Nell, initially thinking she’s a woman of means, but comes to learn that she is actually a babysitter when her child charge, Bunny Jones (Donna Corcoran), interrupts a conversation between the two. Soon Jed becomes worried about Nell’s mental stability when it appears the woman is physically threatening Bunny.