简介：刑警队长孟(mèng )东刚上任就接到一起(�)浮尸案，事发地渚北小(xiǎo )镇(zhèn )上的(�)渔(�)民石水生(shēng )主动自首(�)让孟东(�)心生(⛓)(shē(�)ng )疑惑
