You will feel like a scientist who has to go back in time to save humanity and, of course, during the adventure you can have a sex with everyone!
In the distant future, where a time machine is no longer a marvel, you—a humble assistant to a great scientist—discover that your mentor’s nemesis plans to travel thousands of years into the past to eliminate your mentor's great-great-great... great-grandparents. You realize you must stop him at any cost!
Without a second thought, you leap into the time machine in pursuit of your target.