Departure

The bestselling series continues as air marshal Seth Walker investigates the disappearance of a tech engineer at San Francisco International Airport, uncovering a complex case that could threaten thousands of lives. As he delves into the man's background amid a high-stakes race against time, Walker faces not only a potential threat to passengers but also personal revelations linked to his past. The story explores themes of mystery and self-discovery within a tense, fast-paced setting.