'I, Nobody' review: Prithviraj Sukumaran delivers one of his finest performances in a cleverly staged edge-of-the-seat thriller

I love it when an "ordinary" protagonist — the titular "nobody" — who, despite being plunged into a multitude of chaotic situations, reveals himself as a man with an immense reservoir of courage to resist weakness under pressure. And I love it when a film has well-timed pressure points that know