国煌的未婚妻艾琳被人杀死，他怀疑是曾经寄骚扰简讯的家豪所为，但家豪否认。警方在家豪躲藏处找到证据，蓝天验证后证实家豪并没有说谎，这使得一心要帮国煌抓到凶手的组员们感到气馁。Episode7Guohuang’sfiancée,Ailingismurdered。HesuspectsJiahaoisthemurdererbutJiahaodeniesit。ThepolicefindsomeevidenceatJiahao’shideoutbutafterLantian’scloseexamination,Jiahaoisfoundtohavespokenthetruth。ThisfrustratestheteammemberswhoarebenttohelpJiahaofindthekiller。