As a mysterious place, there are different rumors in Kowloon Walled City, projecting different fantasies. Here is one: mouse father and daughter were looking for this paradise.
Mouse father was a stubborn coward, however mouse daughter was positive and optimistic. One day, mouse father and daughter got lost. Mouse daughter met different people and came across different things. She learnt to be brave. When they found each other, they were soon in danger. The daughter persuaded her father to solve problem bravely so that they can get rid of danger.
Mouse uses sign language to communicate with people, hence sign language can be a way to get out of danger too.