The world suddenly suffered an unknown disaster, and five people who didn't know each other were accidentally trapped in a desert wasteland ravaged by a sandstorm. Resources are scarce, the climate is harsh, and crises are everywhere. Faced with external threats and internal conflicts, they used their respective talents and humor to resolve life and death difficulties one after another. From the initial mutual discomfort to becoming teammates, they broke through the limits along the way, uncovering the truth of the disaster and untying their own knots. They finally learned trust, tolerance and self-relief, and found the meaning of life in desperate situations.