William Morgan is a psychiatrist who, accidentally, causes the death of his only son. To get out of the depression, he decides to create a support group for people who have committed involuntary murder, and want to overcome guilt and trauma. One day, the news comes to his ears that a serial killer has infiltrated his group. Morgan has to find out which of them is the real killer, without putting the other members at risk. A mission that was already hard, will get worse when the disappearance of two students, and the rumor that there is a secret sect in the university where he works, make him believe that all events are related to each other. Without a clue, Morgan has to start a criminal investigation, while trying to maintain a work and personal life, taking care not to trust the wrong person, not to end up being another victim of the murderer of his support group.