One last kumite, one final battle - for the life of his daughter.

After leaving his prestigious post at the University of Toronto, Gabriel embarks on a new journey with Julia, and he is eager to become a father. However, Gabriel's idyllic vision is jeopardized when Julia's intensive program becomes all consuming. When Julia is granted a prestigious opportunity to deliver an academic lecture at Oxford, Gabriel challenges her about the subject of her presentation, which clashes with his own research. In Oxford, their past resurfaces, including an old nemesis determined to humiliate Julia and expose one of Gabriel's well-guarded secrets. Emotions run high, alliances are tested, and the couple must confront the shadows of their shared history in a battle for love, truth, and redemption.

Gabriel and Julia's happiness is threatened by a conspiring student and academic politics. When Gabriel is confronted by the university administration, will he succumb to Dante's fate? Or will he fight to keep Julia, his Beatrice, forever?

The trilogy is adapted from the best-selling erotic romance novels by Sylvain Reynard, which have been frequently compared to “Fifty Shades of Grey.” The second film’s plot follows Professor Gabriel Emerson (Berruti) on a passionate, yet clandestine affair in Italy with his former student Julia Mitchell (Zanetti); but when they return to Toronto, their happiness is threatened by conspiring students, academic politics, and a jealous ex-lover.

The final part of the film adaption of the erotic romance novel Gabriel's Inferno written by an anonymous Canadian author under the pen name Sylvain Reynard.

An intriguing and sinful exploration of seduction, forbidden love, and redemption, Gabriel's Inferno is a captivating and wildly passionate tale of one man's escape from his own personal hell as he tries to earn the impossible--forgiveness and love.