Josh is an ordinary teen living in an ordinary suburb. One morning he finds his friend's dead body. Next, he discovers that three more friends also have killed themselves, leaving him out of their pact. As the sole survivor, Josh becomes more and more detached from the world around him. It is a modern portrait of today's teens: invincible yet fragile, clear-thinking yet confused...

Like many happy people, Bruno Hamel is leading an uneventful life until one afternoon, when his daughter is raped and murdered. When the murderer is arrested, a terrible project germinates in Bruno's darkened mind. He plans to capture the "monster" and make him pay for his crime.

Thanks to his wife Madeleine, a social worker who saved him from the street when he was 17-years-old, Pierre Dalpé has become a prosperous entrepreneur, running a garbage-collection business in the Montreal area. His quiet happiness with his wife and their children changes when he crosses paths with Eve, a teenage drug addict/prostitute who belongs to a street gang.

Michel Dumont is charged, judged and sentenced for a rape he denies ever having committed. While he serves his time in prison, Solange, who he fell in love with during his trial, embarks on the colossal task of proving his innocence and having the court rehabilitate him.

An epidemic of yellow crawling brains threatens the lives of inhabitants in a reclusive Northern Quebec town.