Following his grandmother's will not to activate the system, 21-year-old Wen He learned that the end would come in 10 days, so he used his inheritance and loans to hoard supplies and build a hidden underground fortress. While everyone was obsessed with system talent, she was deeply involved in planting and breeding and building up defenses. The end is coming as scheduled, and those who rely on the system will be wiped out or targeted by zombies. Wen He survives safely with sufficient supplies and a disguised fortress. In the end, giant zombies are found, and the necklace left by grandma reveals that the end of the world is caused by environmental pollution. After waking up from the dream, Wen He devotes himself to environmental protection and calls for protecting the earth.
