Nikita, talented young dancer, enters Let's Dance competition to earn money for his brother's surgery but a brief encounter with a famous singer Liza, who hosts the competition, puts his chances of winning and even life …

莫斯科令人惊奇的地下隧道网络，不仅仅是地铁，它延绵千里，环绕着整个城市。在这个城市，每天都会有成千上万的人涌向地铁。在一个傍晚，最后一辆地铁加速驶过地铁，并消失在黑暗的隧道之中，地铁中载着混杂的乘客。当局知晓了，并且这个…