1988 年秋日，瑞典的天空很不平靜，氣象預報頻頻失靈，空中出現詭異紅光，科學家駕車追逐飛碟而去，女孩卻再也等不到父親的消息。八年後楓葉染紅之際，天生異象，紅光再起，這次還有轎車從天而降，疑似神祕能量改變地球力場。天才孤女發現了這個祕密，認出了父親的轎車，堅信他尚在人世，找上門可羅雀的幽浮協會，集結一眾怪咖之力，說什麼也要找到父親，帶他回家。

瑞典面临着一次神秘的袭击，而亚历克斯（Alex）试图与他的青年恋人安娜（Anna）团聚。

Sonja (Alexandra Rapaport) lives a rather carefree life with her beloved family. The husband Frederick's marijuana business providing family finances a silver lining. But life is shattered and Sonja forced to play a dangerous game with both organized crime and police to protect their children. She can no longer be sure which ones are her friends and who she can trust.