An international action superstar and his assistant are involved in a transnational rescue operation of the mysterious protagonist P, the top international superstar.

在零下四十度极寒之地，以周鹏（梁家辉 饰）、汪豪（佟大为 饰）为首的“追凶者”深入冰河，追查真凶寻找真相。在暗藏杀机的冷酷冰河，牵一发而动全身，每一个人都无法避免地被卷入一场场错综复杂的事件，成为“追凶”成员。而冰河下的最终真相却颠覆所有人的想象……

A story between school kids and the teacher in a high school happened in 1985 China.