rose arroya, former nypd investigator and founder of raid, the rosa arroya international detectives group, and her agents have been asked to help the cia solve a stalled cyberterrorist case. a ruthless criminal's attack program threatens to expose classified government data. worse, he has no compunction about killing anyone who gets in his way. raid sets out to develop an invader program to kill the terrorist's program. but in an unexpected twist, rosa discovers that her friend, german spy ludwig schmidt, has made contact with the suspected international hacker. could there be a connection to ludwig's plan to avenge the murder of his lover? whatever the reason, rosa must enlist his help to work with raid before he spoils their plan to capture the terrorist. as rosa hones her plan with the cia, she finds herself an unsuspecting person of interest in a murder, cover-up, and taxi theft. she needs to get some answers from ludwig-except he's missing. rosa's sharp instincts, loyalty to her team, and courage to carry out the plan are paramount in working this case. but untangling herself from suspicion while actively working to bring a ruthless psychopath to justice may be more than she can handle...