What if you can't even trust your friends anymore? Kim Romeijn is almost thirty and she wants to celebrate this with her friends during a tour of Norway. The trip also tests her on-again, off-again relationship with Brian. She wants to propose to him there. But her brother Eric questions Brian's intentions. The five people Kim invited along are completely different and tensions quickly arise between them. When they are overtaken by another tour group on the way, they also feel the animosity between the two guides. When Kim and Brian are woken up by Eric the morning after her birthday, their carefree life ends. Not everyone survived the night…