An unknown virus outbreak plunges the world into chaos. Cola Chen, a small town cashier, supported the early survivor team with optimism and jokes. He formed a team with survivors such as science teacher Yang Nuannuan and courier Luo Dazhuang to survive, using humor to face external crises and internal differences. As more severe challenges such as resource shortages and mutant viruses emerge, the team gradually integrates and grows, and humor and wisdom become the keys to survival. The survivors continue to grow and make breakthroughs in the process of wandering, resistance, and reconstruction, and finally face the ultimate test of human nature, bringing new hope to the future.
