新任狱警胡安（Alberto Ammann 饰）为展示良好职业风貌，提前一天入狱体验工作。而在这一天里，犯人头目“恶母”击伤狱警，带领犯人暴动，监狱陷入了一片混乱……胡安因受伤被同伴丢弃在211囚室，为了避免被犯人们当做人质，他只得乔装罪…

Set in 1978, the film marks the fourth joint effort between Monzón and Jorge Guerricaechevarría, and tells the action-packed, adrenaline-fuelled story of 17-year-ol…