Imprisoned 2: There Is No Escape from Fate

Hong Kong businessman YU and his secretary go to country A for business meetings; however, his secretary is killed in the hotel. YU is arrested on spot. Even though Yu plead for not guilty, but he is eventually put in a mixed and multinational prison. The warden has enjoyed torturing the prisoners until they die cruelty. YU must escape from this dark prison for survival. How could he breakout this cage in final?