刑警周行即将和(hé )女(nǚ )朋(✒)友陈凯欣求婚(🐌)的前夕(xī )(🌰),在警局接获了(🔱)一(yī )起凶(🤴)杀(shā )案的(🔧)通报。周行赶到山区当场逮捕杀(shā )人犯(🎾)李子建,并发现死(🌗)者正是陈凯欣。周(zhōu )行强(qiáng )忍(👑)震惊与(🗄)悲痛,与警校的(de )学弟王御泽(zé )联手(🚥)追凶,却(📞)发(🎿)现(xiàn )陈凯欣竟是自愿让(🚸)李子(zǐ )(🚑)建(jiàn )杀了她(🤯)。陈凯欣究竟是(shì )(🚢)自杀(shā )还(hái )是他杀?就在案件陷入焦灼时(shí )(💱),来认(rèn )尸的家属却(💻)告知(🙂)死(📙)者不(bú )是陈凯欣(xīn ),而是一(yī )位(wèi )名叫林静的女子(🈴),但没人知道(dào )(🧤)林(🔔)静(jìng )为(wéi )何要冒充(chōng )陈凯欣。渴望(🥕)得知真(zhēn )相的周行决(jué )定挺(tǐng )身而(🤘)出(chū ),揭开林(💔)静留(🥊)下的(de )重重(💍)谜团