The Gentle Gunman

The dream is unusually vivid: Bank employee Vince Grayson finds himself murdering a man in a sinister octagonal-shaped room lined with mirrors while a mysterious woman breaks into a safe. It is so vivid that Vince suspects it may have really happened. To get the dream off his mind, he goes on a picnic with some relatives. When a thunderstorm forces his party into a nearby mansion, Vince discovers that the bizarre room does exist, and it means nothing but trouble.

Cleve Marshall, an assistant district attorney, falls for Thelma Jordon, a mysterious woman with a troubled past. When Thelma becomes a suspect in her aunt's murder, Cleve tries to clear her name.

Clarinetist Stan has a nightmare about killing a man in a mirrored room. But when he wakes up and finds blood marks on himself and a key from the dream, he suspects that it may have truly happened.

When composer George Harvey Bone wakes with no memory of the previous night and a bloody knife in his pocket, he worries that he has committed a crime. On the advice of Dr. Middleton, Bone agrees to relax, going to a music performance by singer Netta Longdon. Riveted by Netta, Bone agrees to write songs for her rather than his own concerto. However, Bone soon grows jealous of Netta and worries about controlling himself during his spells.

A beautiful but unscrupulous female performer manipulates all the men in her life in order to achieve her aims.