When a young woman's murder shows similarities to a decade-old cold case, (a cruel and gruesome murder of a young student, which remains unsolved) a new Police Commander (Commissioner Michal Trela) must break the silence permeating an Owl Mountain town. Years later another crime is committed similar to the decades old cold case. Commissioner Michal Trela faces a wall of silence from the Owl Mountain community, where everyone seems guilty - Will he be able to solve the crime or will it become another cold case?楚阳一路而下，只是一瞬间，就掉落出了那原本要穿行半天的甬道，到了那一片中间的虚空之中，突然大骂一声：“草！这是怎么回事？”……