Deadly Friend

Deadly Friend

1986 • Horror, Science FictionR
When tragedy strikes his remarkable robot and the beautiful girl next door, lonely teenage genius Paul tries to save them by pushing technology beyond its known limits into a terrifying new realm.
Runtime: 1h 31m

Why you should read the novel

If you’re seeking a deeper emotional exploration of loss, grief, and the desperate lengths people go to for love, Diana Henstell’s novel 'Friend' offers far more than its cinematic adaptation. The book delves into the psychology of its young protagonist, meticulously charting his descent into obsession as he tries to defy death with science. Readers will find themselves immersed in a haunting yet poignant story, where every character’s actions are driven by raw, understandable pain. Henstell’s original narrative provides fuller, more nuanced motivations for its characters, creating richer arcs than the film's simplified portrayals. The tension and heartbreak unfold gradually, allowing readers to savor the story’s suspense and ethical dilemmas. With its intimate point of view and thought-provoking questions about technology, humanity, and the consequences of meddling with life and death, 'Friend' stands out as a chilling, emotionally resonant read. For fans of psychological horror, emotional drama, or speculative fiction, the book offers a subtler, more thoughtful take on the material than the movie. Rather than relying on jump scares and effects, it weaves a compelling atmosphere and moral complexity. If you want the full impact of this dark tale, the novel is a must-read experience.

Adaptation differences

Wes Craven’s film adaptation, 'Deadly Friend,' departs significantly in tone and narrative from Diana Henstell’s novel, 'Friend'. While the book is a psychological exploration of grief and the ethical implications of scientific experimentation, the movie leans heavily into campy 1980s horror, with over-the-top violence and slapstick death scenes intended to shock or amuse rather than provoke reflection. This tonal shift means the book’s somber and thoughtful atmosphere is largely absent from the film. Key character motivations and relationships are simplified or altered in the adaptation. In Henstell’s novel, Paul is a more emotionally complex protagonist, and his attachment to Sam is rooted in deeply realized feelings of love and loss. The film, however, focuses more on visual spectacle and less on their developing connection, causing the emotional stakes to feel less compelling than in the book. Another significant difference is the portrayal of Samantha’s resurrection. In the novel, the process and consequences of blending human consciousness with machine are treated with philosophical seriousness, examining what it means to lose one’s self or to exist in a liminal state. The movie, on the other hand, transforms Samantha’s return into a source of gory set-pieces and dark humor, minimizing the existential horror and ethical ambiguity explored in the novel. Finally, the ending of both stories diverges sharply. Henstell’s book concludes on a haunting, morally ambiguous note, leaving readers to grapple with the consequences of Paul’s actions and the irreversible loss at the story’s core. The film chooses instead to end with a grotesque twist that favors shock value over emotional resonance, making for a fundamentally different takeaway between the two mediums.

Deadly Friend inspired from

Friend
by Diana Henstell