Another chill-and-chuckle play scoring a bullseye. Yarn was developed by Bella and Sam Spewack from a novel [American Black Chamber] by Herbert O. Yardley, in the War Department intelligence office during the war.
William Powell is puzzle editor of a Washington newspaper who quits to enlist in the army. The day before he leaves he meets Rosalind Russell, whose uncle is one of the under-secretaries of war. Love develops in the speedy fashion of those times and she persuades her uncle that Powell will be more useful in decoding messages than in shooting at the enemy.
The comedy is cleverly worked into the action and becomes a part of it instead of an interpolation, and herein lies its success. Interest is never diverted from the thread of the story.
Powell is at ease as the nonchalant decoder who can face danger with a grin and teams perfectly with Russell. She has both looks and intelligence, playing the wilful girl with delightful spirit.