형법 전문가인 로스쿨 교수 ‘로베르토’의 수업 첫 날, 교내에서 여학생이 살해된 채로 발견 된다.‘로베르토’는 눈앞에서 펼쳐진 살인 사건의 범인을 밝히고자 갖가지 조사를 하던 중 의문을 품게 되고, 모든 증거가 한 사람을 가리키고 있다는 것을 발견 한다. 하지만 아무도 ‘로베르토’의 추리를 믿어 주지 않는 상황. 더욱이 범인이 추가 살인까지 예고하면서 사건은 점점 더 혼란에 빠진다. 이제 범인을 막고 무고한 희생자들을 구할 사람은 '로베르토' 단 한 명뿐이다.
Mariano is a psychologist who must fulfill community service after losing a lawsuit by a traffic accident. He is forced to provide therapeutic support to Alfredo, a policeman depressed over his wife cheating on him. Mariano is then accidentally involved in a double homicide investigation being conducted by Alfredo.
Soon to turn 40, Carlos is a humble bank clerk who feels that his life is a monotonous waste of time. When Carlos begins to feel condemned forever to a life of quiet despair, he is presented with an opportunity to rip off a bank.
Telma (Norma Pons) is concerned when her father Salerno dies of a heart attack in a movie theater while watching a film of two thugs beating another man. She believes that there is something more to it, and seeks the help of Deganis (Patricio Contreras), a forensic psychiatrist. Deganis, having found out the names of the two actors doing the beating onscreen, looks one of them up. His name is Walensky (Lito Cruz), and he is looking for Smith (Martin Adjemian), the other actor.
