Watch Online Free HD Solarmovies. Sonja and her best friend Ingrid are on vacation in Denmark to help Sonja get over her ex, Espen. When they arrive at the old, secluded cabin, a strange visitor knocks at their door. Then, the day after, a second visitor shows up. And on the third day, yet another visitor shows up. Who are these people? What do they want? The tension rises between the two friends after sleepless nights with weird noises coming from the woods and disagreements as to the nature of the unexpected visits.