Action thriller sequel starring Sylvester Stallone as security expert Ray Breslin, who must once again utilise his skills when one of his team is trapped inside a ruthless alternative maximum security prison named Hades. With the only option being to infiltrate Hades and rescue his friend Shu (Huang Xiaoming), Breslin must find a way in and find a way out. With the watertight levels of security in Hades and every inmate working to stay alive, the high-security veteran must act fast if he is to not only save Shu but to make it out alive himself.