江湖上流传着这么一句话“何必找理由，大案小案不发愁”，故事以此开场。现代女孩杨念晴落水，无意中穿越至一个与宋朝相似的朝代，并卷入一起江湖连环杀人案件，结识第一的“神”和“人”，与四人踏上破案之旅，随着案件调查深入，云碧月与白氏双侠的情仇恩怨，冷夫人夫妇的爱情悲剧，唐惊风夫妇的秘密，以及二十多年前陶家灭门之案的真相一一浮出水面，女主与男主男配的感情纠葛至此结束，当残忍的真相被揭开，四个好朋友的友情仍如当初一般美好。本文是言情，却是言他人之情，爱情，友情，小说中没有一个真正意义上的坏人，一群好人也能上演一场爱恨纠葛的故事。( Words go around all corners of the country: “There is no need to find reasons, big and small cases can be finally solved”, it is where the story begins. Modern girl Yang Nian fell into water and accidentally traveled to a dynasty similar to Song Dynasty, but involved in a serial killing cases. She together with four people began to solve the case. With deepening of the investigation, love/hate of Bai Biyue and double Bai swordmen, love tragedy of Madam Leng, secret of the couple Tan Jinfeng and truth of extermination of Tao Family emerged from the water, while emotion entanglement of the heroine, the hero and the male supporting role ended. When cruel truth was uncovered, friendship of four good friends remained the same, just beautiful as old times. The novel is a sentimental novel, but it is not about sentiment of the author, but love and friendship. There is no bad person in the real sense in the novel, and a group of good people can also have a story of love and hatred entanglement. )