志恒和心怡、永哲、Coco等人到公園玩飛盤。Max暗中指使永哲幫忙，伺機襲擊Don。由于目擊者說曾看到幾個青少年從案發現場跑掉，永哲等人都被請去警局問話，耀佳發現永哲言辭閃爍，十分可疑。Episode9Zhiheng,Xinyi,YongzheandCocogototheparktoplayFrisbee。MaxsecretlyinstigatesYongzhetoassaultDon。EyewitnessesclaimtheysawafewyoungstersfleeingthecrimesceneandYongzheandhisfriendsarebroughttothepolicestationforquestioning。YaojiafindsYongzhesuspiciouswhentakinghisstatement。