This story, Can’t Go Back, is no longer available for free. It can be found on Amazon and Kobo for 99 cents USD.
Portland has a guilt problem.
The story is from the Spirit Knights world, and takes place between Ethereal Entanglements and Ghost Is the New Normal. It features Portland Detective John Avery reckoning with his past.
Good story. I was waiting for a little background on Avery.