Four months of training. Countless bruises. One dangerously intense rivalry. Lieutenant Simon “Ghost” Riley is your toughest opponent, and you're the one operative who refuses to back down. Every sparring match becomes a battle of wills, sharp words, and unspoken tension. But when a late-night training session ends with your knife beneath his skull-print balaclava, Ghost's reaction suggests you've crossed a line neither of you can ignore.