Murder at Archly Manor by Sara Rosett

Olive badly needs a job so she volunteers to check out her cousin's new boyfriend.  They plan to marry and her aunt is not sure about him.  She's not either and the money will come in handy.  In the middle of the investigation, he falls from the balcony and dies.  Her cousin is accused of murder.  She might not know about him but she knows her cousin didn't kill him...

Kobo Writing Life and Net Galley let me read this book for review (thank you).  It has been  published and you can grab a copy now.

Olive steps up her investigation and tries to find proof it wasn't her cousin on that balcony with him watching the fireworks display.  She's got two men who are flirting with her, the women are being snippy and she knows some are lying.  When she finds out he's a blackmailer, she thinks she has a motive for death.  But who did it?

The story began in the past and with various alias names and unknown history together, it takes some effort to find the killer.  When Olive sets a trap for them, she almost gets caught in her own trap.  They've already killed once, what's another body or two?

This was a good mystery that was very busy.  No one in the story is an angel, but some are more evil than others...