Gemma Jaeger never liked her brother in law. He was the cause of the sisters' estrangement. They hadn't spoken in five years.

But after her sister calls her, desperate when her husband is attacked, Gemma refuses to help. Until her sister informs Gemma that it was a Fury. Coming from a long line of preternatural trackers, it should be an easy hunt.

When her brother in law is found dead in his hospital room, her efforts appear to be hindered even more by the local authorities. All Gemma knows is her sister needs her and she will do whatever it takes to help her.

Harmony Springs. Where everyone seems to know everyone. Or do they?