Lin Yanhe and Sheng Yu grew up together and spent the first eighteen years of their lives without incident. However, Lin Yanhe's life changed drastically after Lin Yanhe's sister Lin Zhi disappeared due to an urban legend. On the way to find her sister, Lin Yanhe, Sheng Yu and their friends fought hand in hand, surviving one crisis after another, and gained thoughts about love, friendship, and family affection during the journey. This book is also known as "The Thirteen Steps"
Purpose: World peace