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.危(🥟)险卧底（英语版）危(🈸)险卧(🍤)底（英语(🆘)版）(⛓)危险卧底（英语版）