Life Stream focuses on the story of Koji, a curious man who investigates ancient supernatural forces how they were manipulated. When the public suspects a mysterious man may have something to do with the resurgence of supernatural forces, Koji is dispatched to look into his motives and it isn't long before Koji is following this man and researching the history of several events and artifacts.
The second act focuses on the mysterious man, his motives and his goals. The second act of the game is also where a majority of the boss battles take place. Boss fights consist of fighting humans and animals alike, most of them under the control of Magnus Pry.
Finally, in the third act you try and find a way to defeat Magnus Pry while solving
supernatural mysteries and delving into the characters own intricate histories.