A clerk at the State Bank befins to notice that something strange is occouring, bank employees are stuffing their pockets with money, only to have it taken by the security guards who search the employees every night and confiscate the cash. There is a discrepancy between what is confiscated and what is returned and the clerk suspects a secret circulation is developing. In his family life the clerk and his children accquire pet guinea pigs which the clerk conducts secret experiments on, teaching them tricks and testing their intelligence.
