"The Juniper Tree" is a story about Margit and her older sister, Katla, who flee Iceland after their mother is killed for practicing witchcraft.
Needing a place to stay, Katla casts a spell over a young farmer named Jóhann, making him fall in love with her to ensure their wellbeing.
Jóhann's son, Jóhas, sees through Katla's plan and begs his father to make her leave.
To aid Jóhas in his struggle, Margit's mother appears to her in visions and gives her a magic amulet of protection for the boy.
Will Jóhas be able to rid his family of Katla's control, or will she continue to manipulate them with her witchcraft?