Baikal is the oldest, the deepest and the purest lake on the planet. But it's not only that -

西西里检察官尼诺·斯科特拉罗 (Nino Scotellaro) 毕生致力于打击黑手党，却突然被指控为黑手党成员。被定罪后，尼诺变得一无所有，并决定实施权谋报复计划。