Mary approaches Boston Blackie about talking to a publisher friend. She wants him to plug a song that her cousin wrote. Blackie actually plays piano and sings a few bars. Who knew he could do that?
Blackie is a pretty decent musician, but he thinks the the song is lousy, but takes it to his friend anyway. In the music producers office, a woman becomes hysterical when a body is found. It was her husbands partner in the music business. Farraday grills her over being his prime suspect. She may have had reason to do it, but Blackie feels that there’s more to it.
As things progress, Blackie might be able to get the woman off the hook,but will it place her husband, and Blackie’s friend in the hot seat? In checking financial records, Blackie finds a clue to another party who might have good reason to commit murder, and benefit financially from it.
Just when the wife has been released, events emerge that cast doubt on her, and her husbands innocence. It’s a wide open mystery again, but first Blackie has to bring in the mysterious third suspect. Blackie presents the crew of suspicious characters together in the police department for Farraday. Blackie has found the key to the murder in the song he resented to his friend. The victim named his killer in song just before he was gunned down.
Just in case there’s doubt, Blackie tells Mary, and Farraday all the gory details of how he figured it out.