Coffee fantasy novel - the main line is a post-modern "Count of Monte Cristo" story of four protagonists. The story takes place in the fictional country of Tsuen Law. The entire novel uses the legendary coffee tree species found in the Omo Valley of Ethiopia - the Black Datura coffee tree as a line of grass and snake gray, connecting the four legendary male protagonists who survived the catastrophe after experiencing many dangers of being framed and hunted. They changed their appearance and identity. After returning to their old place, they opened a chain of cafes and became famous all over the world, and then implemented the legendary story of revenge plan.