The main character in Gemini Man Ultra HD is Henry Brogan. He is an experienced hired assassin, who has many completed missions. He has achieved high skill in his business. He always received a lot of jobs to kill people. Henry did his job flawlessly, and the management very highly appreciated this professional. During his time in business, Henry has saved up enough sum to live without any trouble, moving away from the business. And now comes the date when the assassin decides to begin a new peaceful life. He's not young anymore, so he decides to leave his job, and enjoy a deserved rest. But Henry's plans didn't come true. He suddenly finds out he's being hunted. He's been targeted by a first-rate killer. When opponents manage to meet, the man is surprised to discover that his pursuer is his copy, only younger. The protagonist must battle the younger assassin and find out how they have such a remarkable resemblance. He'll make a startling discovery because his opponent is his clone. And now, the only chance for the protagonist to reach the goal and leave a dangerous job is to defeat his improved copy.