"Unknown Enemy" Part 1 of 3. Simon Masiosare is the best mercenary in the business and he has recently accepted a mission to steal cockroaches, for inside these simple bugs a powerful biological weapon is kept. However, Simon quickly realizes that his timing couldn???t be worse. When he arrives at "Las Tristezas de Tutankhamen??? he realizes that a bounty has just been put on his head. Now every top mercenary is looking for him???and they all have full rounds of ammo???