Roos is fourteen years old and lives with her mother and her older transgender sister Jules. Jules is currently transitioning, taking hormones and experimenting with her looks. Roos, who has no interest in nail polish and the like, is irritated by all the changes. When Jules moves out, Roos begins to miss her new sister and gets closer to her again.

The small recording device named REC lives all alone in an abandoned attic when a bird appears at the window. REC is really excited and wants to talk to it. But when the bird hears REC’s “voice” it flies away in terror. Now REC tries everything to record the bird’s beautiful song. Time is running out, because its battery will soon be exhausted.