After three years of treating each other with courtesy, he went crazy the night before they left. Shen Qingyuan thought Lu Hanzhou was just Bai Yueguang's stand-in, until he left a final letter to go to northern Xinjiang. She uncovered the secret he had hidden for seven years - her portraits were piled in wooden boxes, and each one had a date written on it. There was only one sentence in the final letter: If there is an afterlife, I will not be a substitute. She tore up the book and chased her husband thousands of miles away. But in the wind and snow in northern Xinjiang, there was already a woman riding a fierce horse and drinking a burning knife beside him. He looked her up and down: "Are you the woman who proposed to divorce him for three years?"