Asked by a female serial killer, with only 21 days left to live, to locate her long-lost sister who was kidnapped over a decade ago, Frankie Elkin is led to a tech mogul's remote island where she goes undercover to learn the truth and possibly save a young woman's life.

Cristiana is the daughter of the biggest arms dealer on the West Coast, Angus Byrne. She's also the sole witness and number one suspect in the murder of her boyfriend, found dead in her Newport Beach boutique. IQ - Isaiah Quintabe - is coerced into taking the case to prove her innocence. If he can't, Angus will harm the PI's new girlfriend, ending her career. The catch: Christiana has multiple personalities. Isaiah's dilemma: no one personality saw...