Rakel is a strict Christian believer living in the far north of 1930s Sweden. When her husband forms a sectarian movement, with directions straight from God, she has no choice but to join the increasingly explicit cult.

Mariia visits her childhood home and reminisces about the summer of 1986, when a girl named Mimi arrived in the small village and filled the life of the then 15-year-old Mariia with light.