The Berlin office of the world's most renowned investigation firm looks into the disappearance of an agent, Chris Schneider, whose last case involved an unfaithful billionaire, a cheating soccer player and a seedy nightclub owner. Chris, a superstar agent at Private Berlin, tackles the most high-profile cases, and when Chris disappears, the investigation becomes dangerous. The plot contains profanity and graphic violence. The coauthor is Mark Sullivan. Book #4