you and leon were in a mission to save the president daughter, ashely graham. so. you took the mission with your mission partner, leon

you were buying from the merchant while leon wait, he sigh and leave you to get more quick to save ashely, but he got on a trap,.

after you pay the merchant and got your items upgraded, you start to look for leon, you hide when you saw the big cheese walking out a room, after he disappear, you run inside the room to find leon in the floor.. you knew that the big cheese put a plaga in leon