The little white experimental miracles miraculously managed to escape from the secret laboratory when the negligent laboratory assistant left an unlocked cage. The rodents took advantage of the moments and fled to Mouse Mansion Rescue. They decided to settle in the forest and live peacefully and amicably. They even managed to find a small house for living, but suddenly they ran into a problem. Having climbed into the house, they settled down, built up, and when they decided to go out and examine the surroundings, they found that the door did not open. To free himself, you need a key that will open the door from the street in Mouse Mansion Rescue.
