两个15岁的挪威少年山姆和阿米尔从小就是好朋友。山姆喜欢上了阿米尔的前女友泰娅。当山姆将这一消息告诉阿米尔后，阿米尔的反应比他预想的还要激烈。由此，在泰娅家的好友聚会演变成了一场闹剧，山姆和阿米尔的友谊也面临着考验。 On the eve of The Norwegian Day of Liberation, a whole nation is gearing up to get drunk and party hard. Sam and Amir, two 15 year-old boys, have decided this is going to be an epic, legendary night. The boys have known each other all their lives, and are closer than brothers. But the next 24 hours will test the bonds of their brotherhood. Sam has fallen for Thea, Amir’s ex-girlfriend. He knows he has to tell Amir, but doesn’t know how. When Sam finally summons up the courage to confess, Amir’s reaction is far worse than he could ever have imagined. The long night turns into chaos as Amir embarks on a revenge-fuelled journey of violence and destruction. Can Sam and Amir forgive each other or is this the end of their friendship?