A young geologist ventures out into the vast tundra of northern Norway to finish his research on meteorite craters, only to get hopelessly lost in both the wilderness and his own mind.

Cityboy Niilas (12) is sent to his mother in Lapland. The only one succeeding in making contact with him is his new sister Suna (11). She takes him on a journey in the magical woods where shy Niilas turns into a wild cloudboy.