Kade Blackcap was once a famous detective. Overburdened with guilt at sending a man to the noose, he finds himself unable to take a case for fear of the consequences. But with the taxman breathing down his neck, he has to find work soon, or he'll lose the house his father left him. He has one hope left. Long has he suspected the myths of old were creeping back into the world, and with his detective background he has all the skills to hunt them. But once he finds himself on the trail of a monster, he realises how out of his depth he is. He might have the skills to track such a creature, but what will he do when he catches up with it?

Our world is lost to time. Only our myths remain. Centuries after the rain turned, civilization is a distant memory. Once rain was a symbol of hope and harvest. Now it brings only death. Shadowy rainwights form in rainfall, hunting for victims with their long teeth and claws. Humanity survives in sheltered cities and canvas-covered towns. Travel between these patches of limited safety is rare and dangerous. It’s what Galahad lives for. While seeking a lost cache of salt—a fortune he plans to use to build a shelter over his hometown—Galahad is betrayed by the friends he holds dearest. They leave him for dead. Unfortunately for them, he lives. Torn between seeking justice or revenge, Galahad knows one thing for certain: that treasure is his, and he’ll do anything to reclaim it.

There's nothing more dangerous than a paranoid king. Wickerton is in peril. Obsessed with the idea of an attack coming from the Bright Crown of Northumbria, the Unholy King keeps raising taxes to pay for an ever-expanding army. But such an attack will never come. With taxes on the rise, and no money to pay the collector, Fay must find a small fortune within a month or Wickerton’s canvas shelter will be torn down as punishment. While Galahad languishes in the dark of New London, a bloody letter arrives from the Elaine is in trouble. Despite everything that's happened between them, Galahad can't help but to rush to her aid. Now he must travel to the origin of the magic that stained his eyes the colour of whisky, and try to save the woman he both hates and loves. Each must do their best to slay new monsters, face old enemies, and reforge broken relationships. It's time to fight for the things that matter.

The intense conclusion to the post-apocalyptic fantasy series inspire by The Witcher, The Last of Us, and Arthurian Legend.Unable to set the past behind him, Galahad plots to bring justice to the Unholy King. But when his fury draws the attention of an ancient danger, he must set aside revenge if he's to save New London from destruction. It's time for Galahad to take up his cask-aged blade one last time, and stand as protector of the realm.