Aaron, who was struck by lightning, came to the underworld, and all his memories were returned to zero. He must make a choice: reincarnate but may become a snail; or hold a priesthood to accumulate yin virtue and reincarnate as a human being? Aaron decides to become a freshman in Yuelao. He partnered with Pinky, an explosive pink lady, and came to the world to perform tasks. When Aaron met the dog Alu and his master, Mi, his previous life His memories are back, and Xiao Mi is his love during his lifetime. Aaron hopes to help Xiao Mi in Yang Jian find a new marriage, but every red thread tied to Xiao Mi's hand is actually burned! It turns out that some things will not change in ten thousand years. At the same time, Guitoucheng, who fled from the underworld to the world, embarked on a bloody revenge action, looking for the horse thief brother who betrayed and killed him five hundred years ago. While Aaron was still cheering for Mi's failure to tie the red line, Guitoucheng regarded Mi as the next target to be destroyed...