Luke's family trauma is the stabbing of his mother by his mentally ill father, which he witnesses. This event triggers his dormant schizophrenia and causes him to hallucinate and lose touch with reality. In an attempt to cope with his mental health issues, Luke resurrects his childhood imaginary friend, Daniel, who he believes can help him navigate his emotions and cope with anxiety.
Initially, Daniel appears to be a harmless and supportive figure, helping Luke to gain confidence and improve his social life. However, as time goes on, Daniel's influence on Luke becomes increasingly toxic and destructive. He encourages Luke to engage in reckless behavior, alienates him from his loved ones, and leads him down a dangerous path.
The film explores themes of mental illness, trauma, and toxic masculinity, showcasing the devastating effects that they can have on an individual and those around them. As Luke struggles to come to terms with his illness, he realizes that he must confront his inner demons and find a way to rid himself of Daniel's harmful influence.