Adena has a crush on her cute teacher, David. At her graduation ceremony she finds out that they’re going to celebrate Midsummer’s Eve at the same place, so she decides to approach him.
A film crew sets sail on a catamaran to film a horror film where the scenes are improvised in chronological order, keeping the cast in the dark about the story. But what happens behind the scenes may be the real horror.
The film’s story revolves around Karin Stolpe’s complex relationship with her husband Sven Stolpe and her passionate love affair with Olof Lagercrantz which starts in the 1930s. It shows the impact of passion, jealousy and anger across 70 years, involving different generations.