Li Qiuping, a college student in Peking, is a well-known talented woman whose father is a patriotic professor. She accidentally helped underground party member Chen Kai pass on information. Chen Kai appreciated her bravery and invited her to join the organization. The two worked secretly under the supervision of the Japanese army and were nearly arrested many times. They finally succeeded in sending key information, and Li Qiuping also grew into a qualified party member.
