Cross Fire was a novel with a modern military background. It told the story of a young man named Li Wei who accidentally transmigrated to a shooting game called FC and became an excellent soldier. He then started a fierce battle with other players. In this game, players needed to use various weapons and tactics to fight against other players to complete various missions and challenges, and finally become the strongest in the game. The plot of Cross Fire was full of ups and downs, full of thrills and excitement. The readers could feel the struggle and growth of the protagonist in the game, and they could also understand the modern military knowledge involved in the game.