Corporate slave programmer Lin Wangcai suffered sudden death due to long-term working overtime and staying up late. Overnight, he transmigrated into a golden retriever, bound with the Heavenly Dao Assessment System, and arrived at the perilous Continent of Ten Thousand Demons. Here, demons are everywhere, and the Power of Zero erodes living beings on all sides. Wangcai awakened the Spirit Swallowing Art, slaying demonic beasts to accumulate spiritual energy while summoning various mythological partners through God-Conferring lottery draws, embarking on adventures in the company of the Earth God. Clinging to the belief that "a dog's life is still a life, but a dog's life does not resign itself to fate," he ventures through various perilous places, continuously growing stronger, and step by step embarking on the dog immortal's path of cultivation to protect the Continent of Ten Thousand Demons and resist the Chaos Demon Lord.