After a meltdown, a demoted detective is given the opportunity to go undercover and take down the mob's most ruthless killer, but his life and only chance at redemption spiral out of control as he loses himself in the role.
一天上午,有人坠楼摔死在一辆货车上。负责调查的警探博登(克里斯·梅西纳 Chris Messina 饰)来到现场后发现第一现场并不在货车停靠的位置,而是在不远处的一栋大厦。与此同时,这栋大厦的一处电梯突然故障,悬停在20层附近,电梯中的三男两女被困。大厦保安派去的维修人 员也未能解决故障。封闭的电梯里,五人因持续被困而情绪焦躁并争执起来…