Fast-paced and funny, this offbeat tale follows three good friends, who decide to take the plunge and become entrepreneurs. They decide to open a hotpot restaurant in a former bomb shelter. While digging next to it, they find that it is linked by a single wall to the vault of the bank next door.
While they discuss whether to break into the vault and keep the money for themselves or go to the police, they discover that one of the bank's employees is a former classmate. They decide on trying to enlist her to see if they can find a safe way to keep the cash. Will she agree to help them? What will the future hold in store for them?