this guerrilla team experienced many battles such as speeding machine guns, blood-staining foreign businesses, smart ticketing, night attacks on lincheng, attacking okamura, intelligence, grabbing carts, going to jinan, and going down xuzhou. they were active in the shandong line of the jinpu line, the main lifeline of the japanese war of invasion of china, and were called the "flying tiger team" by the people. railway guerrillas such as lu han and lin zhong gradually grew up in battle and sacrificed their lives for the country; liu hong and fang lin sao also developed love in battle. in order to eliminate the troubles of his confidants, the japanese invading army carried out cruel sweeps and strangled near the railway line, using various conspiracies to put the railway guerrillas in danger. in 1945, with the support of the people, the railway guerrillas fought between the railway and weishan lake, captured the fleeing kobayashi and his remnants and gradually grew stronger.