"The most precious thing in the world is a scroll of famous mountains and seas."
This book is based on the Classic of Mountains and Seas, and from the perspective of the four protagonists Meng Fuxing, Yi Xiaohuai, Liu Cai, and Ke Changshou, it records an adventure story for the sake of peace in the mountains and seas. During the adventure, it witnesses the countless friendships that have passed through the years.
Concept: Water in the world comes from the same source and goes to the same destination, and so do people. The sea does not care about regional disasters, but man-made disasters are inevitable.