Haiwaan is a dark action-crime thriller centered on a tense cat-and-mouse battle between a visually impaired martial-arts coach played by Saif Ali Khan and a ruthless, psychologically disturbed killer played by Akshay Kumar. When danger threatens those he cares about, Saif’s character must rely on his heightened senses, instincts, courage and martial-arts skills to survive and outsmart his relentless hunter.