Victim?

A mentally unstable boy. A man in run due to murder. And the mysterious murder of a happy family. Kevin who was present at the scene of his friend and his family's masscare and claimed that even if he is not in his right mind how can he kill his friend. Who could be the killer ? Kevin or the man who is in run because of the previous family massacre that he has done earlier. What will happen to Kevin as all evidences points towards him. Was he really the killer?Or was it someone else? To solve the case first Kevin needs to be stabilised, as the son of a murderer he suffers from some trauma . Ryan a novice but talented young psychologist steps in his first case and uncovers what had actually happened at that night of terror