When the evil king of the light fairies, Oberon, catches Tessa for stealing powerful gems, he demands cruel punishment: the girl must leave her past, become his bride and give birth to an heir. Tessa manages to escape, but it is too early to rejoice: it turns out that she is in captivity Oberon’s is not the worst thing... The girl who escaped from one king is already waiting for another, more deadly ruler - the King of the Mist, who has taken people into a trap. He offers her a deal: kill the fairy king, and then the captives will be free. The mists surrounding the kingdom are merciless and dangerous, but attractive... Just like the king. As Tessa struggles with her feelings, she must make a choice. Her dagger can only kill one fairy. King Oberon or King of the Mist? Who will Tessa choose?