Guo Yayan's aunt was trafficked to a small mountain village in Sichuan thirty years ago. After unremitting efforts on many fronts, she was finally rescued two years later. At that time, she had given birth to a son to a man in his fifties. Because she felt that his son was a shame in her life, she cruelly followed her parents back to City Z. Just when everyone forgot about the child, he appeared in Z City...