A killer breaks into an apartment to steal a valuable brooch. He kills an old woman, but in fleeing he encounters a young woman on the stairs who will become his target.
A scientist invents a pill to cure smokers of their nicotine addiction. However, when he makes his discovery public, he encounters strong resistance from the tobacco industry.
A story of two brothers, both writers of crime novels, one a fine, upstanding gentleman and the other a moody, neurotic, psychopath. The other is determined to create a 'faked' version of a perfect crime he intends to commit when an ex-convict visits them. They are both in love with their shared-stenographer-secretary.
