For a blissful spell, the movie flirts with becoming a noirish study in voyeuristic obsession. (Téchiné, replicating a view through binoculars, briefly aligns our perspective with that of his distrustful protagonist.) In the end, however, Unforgivable is a bit too relaxed to function as a thriller. Though admirably unpredictable, its plot is also spread thin among these fickle lovers.
An original and incisive treatment of the Kafkian theme of guilt and the literary work, UNFORGIVABLE takes its place among the finest of Téchiné's films.
The author has a revealing line late in the film, when he tries to explain his jealousy. "I don't know how to handle someone being unfaithful to me. Whenever a woman confronted me about it, I just left." This is the sort of moment at which Téchiné excels: the shock of a new emotion, for which no amount of living can ever prepare us.