the story tells the story of wei di and buyi returnee gao zhina yuncong (played by liu jiehan), who was born in zhenfeng county, southwest qian. on the way back to china, he fought wits and courage with japanese spies and local reactionary forces, repeatedly used tricks to resolve their conspiracies and tricks, and finally presented treasures to the revolution, joined hands to join the anti-japanese frontline, and interpreted the passionate youth of communists.