en Cuevana 3. Kota hears about an impending 1.5 billion yen gold bar heist from his friend Kitagawa, a former college classmate, and decides to take part. The gold bar sits in the basement of the HQ of Sumita Bank. Helping Kota and Kitagawa are bank security employee Noda, a North Korean spy pretending to be a college student, Kitagawa's younger brother Haruki and a former elevator engineer. These 6 men are about to carry the boldest of schemes to bypass the bank's high-tech defense system.