After the tragic death of his wife, former policeman Sante Moras ekes out an existence as a prison guard. Nothing breaks the bleak routine - until a convicted child murderer dies under his direct supervision. The burden of proof against Sante is overwhelming. With the relentless inspector Tommaso Lago hot on his heels, he only has the support of journalist Fabiana Lai on the run to prove his innocence and prevent further murders. For it is no coincidence that innocent girls are disappearing in the Sardinian hinterland, but a conspiracy that reaches into the highest circles - and has found the perfect scapegoat in Sante.