In the summer of 2007, a reservoir was being built in a place called Yuchuan in Qiandao Lake. A stonemason suffering from pneumoconiosis returned there and moved his mother's grave into the cemetery. In Yuchuan, he recalled the tragedy of his mother being forced to hang herself, and found that he had lived in the shadow of the death of his loved ones all his life; when his enemy was released from prison after serving his sentence, he decided to make a conclusion for everything at the end of his life...