The witch Clíodhna is newly arrived as guardian in Gleann an Phéine. Yet before she can get accustomed to her new home, her magical powers are already being tested: A lone wolf attacks people and leaves a bloody trail in the forest.
When the village woman Siofra tries to find out the truth about a ghost story her daughter is telling, she stumbles across a secret that someone in the village would rather keep buried forever.
Three village girls forget about their parents' warnings and go astray into the swamp while gathering berries. There they fall under the fairies' spell. Frightened they ask the witch for help.
When a grave illness afflicts the village, Clíodhna must prove her talent as a healer. But is it only the Rime Fever she's fighting? And is she really the right person to end this plague?
The feast of fertility, is at hand. This year Rórdán is chosen to be Beltaine king, and for one day his word is law. What he does not expect is that the ritual with the witch will also turn his own life upside down.
When a hunter finds something that belongs to the trolls, the village finds itself threatened by nightly visits. Can Clíodhna and Rórdán convince the villagers that it's best to keep the peace?
A new Beltaine is coming and a new Beltaine King will be chosen - can Rórdán, who is now living together with Clíodhna, bear the thought of 'his' witch performing the fertility rite with another?
When Clíodhna feels the need to contact her predecessor Fionnula, she hatches a dangerous plan to journey into the Realm of the Dead when the gateway is open during the feast of Samhain.