A young man from the human world accidentally crosses into the world of mountains, seas, fairies and demons. How can he survive in this alien world where the weak and the strong eat the weak?Walking into the sea, jumping into the dragon's gate, and becoming the only true god today, how should he choose? The Five Classics of Mountains and Seas, the journey of the road, let Mo Guyuan take a good trip to meet the demons and ghosts along the way.