Eighteen-year-old Lilja visits Áróra and Grímur, her estranged grandparents, in the city as she undergoes auditions for an international art performance group. When her father, Magnús, and her aunt, Vala, find out about Lilja’s stay in the family house, panic arises. When the family gathers in the home to celebrate Lilja’s acceptance into the art group, a dark secret emerges, and soon a seemingly normal family celebration turns into a horrifying tragedy that nobody could have foreseen.