Three friends discover they have the power to travel back and forth 20 years with a sneeze. However, the future is not as good as they hoped, and they need to take on the responsibility of saving the world.
In the Ming dynasty of China, Shen Lian (starring Chang Chen), a secret police of corrupt government, is trapped by the conspiracy on a mission. To prove the innocence, he seeks the truth with a girl called Bei Zhai (starring Yang Mi).
