When working stiff Su Jin found himself lost and unemployed, a pop-up window suddenly displayed a bizarre job recruitment notice. After submitting his resume in a daze, he was forcibly sent to a world on the brink of crisis, becoming a doomsday survival solution provider. A strange package delivered weapons and a peculiar storage backpack, and only by completing his internship tasks would he have the opportunity to return to his original world. He needs to protect a client and welcome the bizarre catastrophe about to sweep across the entire city. Without comprehensive guides or backing support, facing a city where a storm was brewing, hidden unknown threats closed in step by step.