Based on a true story dating back to 1985 when two Polish boys, a teenager and his little brother, escaped from communist Poland all the way to Sweden, hidden under a truck. In the movie, their destination has been changed to Denmark. 　　译文(2): 根据1985年的真实故事改编，当时两个波兰男孩，一个十几岁的男孩和他的弟弟，藏在一辆卡车下，从共产主义的波兰一路逃到了瑞典。在电影中，他们的目的地改成了丹麦。