Jiang Xian, a lazy and funny man, originally just wanted to cultivate immortality in peace and quiet, but was tricked into entering the mysterious spiritual realm by his master. He unexpectedly met the funny female spiritual master Miao Baoer, the black-bellied dragon clan Ao Yan and the great elder Shuabao. After causing all kinds of absurd things, he gradually got involved in the war where mysterious aliens invaded and the realm collapsed. Along the way, the partners grow up amidst laughter, misunderstandings and powerful enemies from all walks of life. They use their wits to fight, strengthen their bonds, and work together to overcome the obstacles of destiny. In the end, they work together to crack the truth, use their intelligence and unity and friendship to resolve the disaster and protect the spiritual realm. The story is full of ups and downs, with frequent laughs, and adventures and hilarious scenes go hand in hand. It is simple and clear, yet has climaxes one after another. In the end, lovers join hands and all knights become great heroes.