When a bird finds it's way into their living room, the young "Tinja" (Siiri Solalinna) wraps it in a cloth and gives it to her mother - who promptly breaks it's neck! Somewhat distraught by this, the young would-be gymnast is out in the forest later where she discovers an egg. She takes it home, and incubates what turns out to be a rather large creature that has a distinct symbiosis with her. As it grows and…