The heroine Su Jiu is an inconspicuous outer disciple in the world of cultivation. She has mediocre qualifications and specializes in farming (doing odd jobs for Ling Zhifu). In an accident, she was bound to a lottery system that claimed to be a "waste recycling bin". She could earn points by completing daily tasks such as farming, cleaning, and even being bullied. The things extracted by this system are extremely deceptive at first: [fertilizer that can escape on its own], [waste elixir that is always almost impossible to refine], [broken sword that recognizes its master and backfires]... But Su Jiu, with his unique brain circuit and the unconventional "waste utilization" skills he learned from his grandfather (former Hermit Master, now Alzheimer's disease), can always turn these things into gold and turn them into treasures that everyone is envious of. While she developed in a low-key manner and exchanged "junk" for massive training resources, she also responded slyly to those who looked down on her. At the same time, her "trouble-making" physique continues to attract the attention of Shen Jue, the inner sect senior brother who is of noble birth and has unfathomable strength, but is always investigating "abnormal events". The two of them tested each other, and Shen Jue gradually saw through her "disguised" true face, changing from a bystander to her biggest supporter and "troubleshooter". In the end, Su Jiu, the "walking waste transformation center", and Shen Jue, the "order maintainer", joined forces to fight against the demons and ghosts who really used evil methods to create chaos. They turned the "waste system" that no one looked down upon into the world's number one universal shopping mall that spans the world and leads the trend.