Following the loss of their mother, Thomas and Lara find an injured deer on the side of the road. Deciding to bring it home with them, they name the deer Lion and quickly become best friends. The new woodland creature soon fills their hearts with warmth and fun, easing their mourning. But when Lion grows more and more curious about the forest beyond their house, Thomas and Lara start to wonder if the forest is where Lion truly belongs. Will they be able to say goodbye to their new friend?