You are a group of experts on opening locks. Today you've received an unexpected, but rather routine task. A door in the Cold War shelter jammed. Major Letov met you at the reserve entrance to the bunker, instructed, and locked for safety. It is still a military facility. Everything went according to the plan, but while you were busy with the repair, everything on the surface suddenly began to fall into mold and white honey. There was a pure horror and moral terror on the streets, zombies wander around as the entire divisions. The city will be completely destroyed after one hour, only you can rescue the city!