Yang Jie grew up in the orphanage, know nothing at all about their own life, even your heart transplant operation also don't know what to do when. Ching Ming Festival holiday, Yang Jie embarked on a train bound for the remote mountainous areas, because for 18 years, have 1000 letters sent to her from there. Only one call letter, to recognize Yang Jie daughter. Yang Jie meets many strange things in the train, she gradually seem to find his childhood ... ...