同一天晚上，失业青年八岛东树（三浦圭达饰演）被一辆卡车严重伤害，不省人事。由于他当时拿着清流的公文包，警方将矢岛视为重要嫌疑人。本案中的种种疑点，让日本桥警察局的刑警加贺敬一郎（安倍宏饰）陷入考量。他不仅拜访了清流的家人和同居女友中原香枝（新垣由纪饰演），还试图关注清流生前在日本桥附近的生活足迹。各种谜团和情感纠葛逐渐浮出水面。。。这部电影改编自推理小说大师小野圭吾所声称的“最高杰作”系列《麒麟之翼》。
Min joong and Ga hee are a campus couple and friends of Geun tae. Gentai has a crush on Jiaxi, asking her out to dinner and telling her how he feels about her. Ga hee knew his feelings, but she told him that she had fallen in love with Min joong and did not acknowledge his feelings for her. Gentai was dissatisfied with Minzhong's treatment of Jiaxi and felt sorry for her. Therefore, Genta came up with a plan to break them up by introducing a girl named Abbott to them...
