Arthur Lane

A famed trumpet player is suspected of murdering a blues singer. Using only two minor clues, he narrows the suspects to four people, but only after surviving poison placed on the mouthpiece of his trumpet!

A former pilot suffering from blackouts discovers that a fellow flyer is suspected of being mixed up with a web of smugglers. While searching for his missing buddy, he unwittingly becomes entangled in a morass of suspicion.