Based on the award winning novel by Tarjei Vesaas, The Birds tells the tale of Mattis, a mentally disabled man cared for by his lonely older sister, Hege. Their routine, isolated existence is interrupted when a lumberjack arrives at their lakeside cottage and falls in love with Hege, leaving Mattis fearful that he will lose his sister. With a limited understanding of the unpredictable power of nature, Mattis nonetheless turns to the elements to discover the answers - with unsettling result.