When Sunna reads the news on a frosty, dark December morning, she is paralyzed with shock. Arndís Theódórsdóttir, an art historian and gallery owner, has been missing for three days. She is not a stranger to Sunna. Ten years ago, the two young women studied Spanish together in Barcelona and then lost touch. Has her old friend fallen victim to a crime? Is she dead? Sunna cannot shake the thought that there might be a clue in their shared past that leads to her missing friend. She begins the search for her - which takes her own life in a completely new direction...