危险卧底（英语版）

When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.

把《危险卧底（英语版）》放在电影背景下看，When a young soldier, newly return...会更容易理解，年份、地区和语言也能先帮观众判断口味。