The cult calling itself Fourth Day is well-funded and fiercely guards its privacy. Five years ago Thomas Witney went in to try and get evidence that the cult’s charismatic leader, Randall Bane, was responsible for the death of Witney’s son. Witney never came out.

Now, ex-Special Forces soldier turned bodyguard, Charlie Fox, agrees to go undercover into Fourth Day’s California stronghold. A fast covert op – no real danger for someone with her mindset and training. But Charlie is not prepared for the lure of Randall Bane, or how easily he will pinpoint her weaknesses...