Liang Zheng was originally a famous police flower of Hong Kong Police Force. Unexpectedly, when she witnessed her husband being killed to save herself, her temperament became weird. Later, Zheng was sent to Singapore for a mission. During this period, she met her excellent assistant Ling (). But since Ling was over 3 years old, she began to think for herself, so she had long lost the heart of struggle. This pair of partners come from different backgrounds and extreme mentality, and they investigate arms clues, resulting in many jokes. After some tracing, I finally found out the whereabouts of the arms chief on an island, and then a big drama broke out. Zheng met a young lawyer and started a love affair. However, the weapon leader was afraid that the lawyer would reveal the secret, so he killed him.