Christian's sister commits suicide. Why? After his 4 friends graduate secondary school, they head off to a Swedish cabin for midsummer as previous years. Strange things happen. Is it his sister's spirit?It's the last day of school. Christian (19) and his younger sister Sofie are on their way to a party together with their friends. They've got to finish studying for their finals, take the tests themselves, and then school's out for good. The party has come just at the right time, and is just what Christian needs; right up until the point his sister commits suicide in an upstairs bathroom. Exams and graduation completed, Sofie's unexplained suicide is still affecting everyone concerned, especially Christian, who is convinced that Sofie was trying to tell him something before she killed herself at the party. But life has to go on, and before they all have to split up and go their own way Christian and his friends decide to go on their traditional trip to Sweden to celebrate midsummer for one last time. Although the group's usual rituals in connection with the midsummer trip aren't the same without Sofie, everyone does their best to enjoy themselves. And when Christian's long held, yet ...