Charlie Fox really didn't care who shot dead her ex-army comrade, Kirk Salter during a bodyguard training course in Germany. But when old flame Sean Meyer asks her to go undercover and find out what happened she just can't bring herself to refuse. Keeping her nerve isn't easy when events bring back fears and memories she's worked so hard to forget. It's clear there are secrets at Einsbaden Manor that people are willing to kill to conceal. To find out what's going on, Charlie must face up to her past and move quickly, before she becomes the next casualty. She expected training to be tough, but can she graduate from this school of hard knocks alive?