The film stars in a dual role as Adam Bell, a somber history professor, and Anthony Clair, an actor who looks exactly like him. After Adam spots his doppelgänger in a rented movie, he becomes obsessed with finding him, leading to a dark, surreal collision of their lives. 🕷️ Why It’s a Must-Watch

It is widely considered one of the most confusing and shocking endings in modern cinema, often requiring a second watch to fully grasp. 📺 How to Watch

According to Wikipedia , Villeneuve used the film to explore the subconscious and the cycle of repeating one's mistakes.