Tze-Wei and Chia-Hao decide to work with Chi-Hsiao to investigate Ming-Chieh. When he is released due to a lack of evidence, Chia-Hao is infuriated, as his grudge is driven by personal reasons.

梓薇與家豪決定聯手啟逍，私下調查林明杰，就在準備逮捕他時，胡大東又再次出現，最終雖然抓到了明杰卻沒拿到證據，分局無罪將人釋放，沒想到這件事卻讓家豪大為光火，原來三年前同樣的兇殺案，死者是家豪的女友倩倩，嫌疑犯也是明杰...

梓薇和家豪决定与启逍一起调查明杰。 因证据不足而被释放时，家豪被激怒了，因为他的怨恨是出于个人原因。