The main characters are Secrecy Bureau juntong kill without spilling blood poison expert "Song Pingping", after special training to play the local warlords home in Song Pingping - sister Communist "Xia Qing Ming is a well-known businessman" and the secret is middle ShiMen Railway Station staff member of the Communist Party "Lu Jiangbo". Song Pingping: female, 25 years old, one of the juntong four diamond, code named "Rose", poison expert. Garrison commander Song Hongru's daughter, her mother schizophrenia caused Dutch act, Song Pingping inherited the mother too many defects of character, extreme ego, and paranoid, use unscrupulous divisive tactics. Lu Jiangbo served in the war of resistance to rescue her, she has been hard in pursuit of Lu Jiangbo, was rejected after rush into danger, sneaked into the Xibaipo execution "close No.1" assassination task, fail finally arrested, because she is poisoned, experts, the security department conducted a rigorous search in order to prevent her Dutch act on her, she asked at last to see Lu Jiangbo again. After the meeting, she to whom the way Dutch act dead. Xia Qing: real name Zhao Yongmei, female, 26 years old, the Communist Party of China's underground intelligence personnel, Lu Jin lover, impersonate Shijiazhuang garrison commander Song Hongru two Chiam too daughter Xia Qing, returned in the "Xinmin" as a reporter, and into the home, to his virtuous statue of filial piety, and the old and lonely Song Hong.