In 1939, the ancient city of Kaifeng was covered with clouds. Wu Xinmin, an underground party member who appears to be ordinary but actually has the ability to "read minds", is caught in a tight siege. As soon as he came out of the military prison, he was sent by the party organization to carry out a nearly suicidal mission: to assassinate North China spy leader Yoshikawa Sadao. In order to get closer to his goal, Wu Xinmin must destroy his reputation and sneak into Kaifeng under the name of "traitor"...
