两对夫妇发现他们的孩子在出生时就被调包,由此面临道德困境:是继续养育没有血缘的爱子,还是找回他们的亲生孩子?。The protagonist of the film is a young boy named Kuba who, due to his seriously ill sister, decides to get a quick cash by taking part in illegal car races. On his way he meets not only many difficulties but a girl Ewa, with whom he will be joined not only by love for racing.。