简介：刑警队(duì )长孟东刚上(�)任就(jiù )接到一起(�)浮尸案(�)，事发地渚(zhǔ )北小镇上(�)的渔民石(�)水生(�)主动自首(�)(shǒu )让孟东(dōng )心生(�)疑惑
