As security agent Jonah Gray zeroes in on his current mission, he finds scientist Rachel Atwood in his crosshairs. Right before his foster brother died, he handed Jonah a slip of paper with the woman’s name on it and muttered the word “killed.” But the more Jonah gets to know Rachel, the more he’s uncertain if she’s a killer or a target. Rachel Atwood hopes to leave trouble behind when she takes a new research position at a cosmetics company located on Lantern Beach. But things aren’t as idyllic on the coastal island as she’d assumed.

K-9 officer Jared Miles stumbles upon a crime scene on his day off and believes Kassie Ashbaugh is the victim of a random attack. However, as threats on her life continue, he realizes that Kassie is in grave danger. Her father's abandoned boat suggests foul play, and Jared suspects someone is after Kassie for something her missing father is hiding. Can Jared unravel the mystery before unknown enemies catch her?

Private investigator Kenna Banbury lost everything two years ago at the hands of a serial killer. From the ashes of that encounter, she’s built a life she believes in, searching for the lost and forgotten all over the western US. When a series of murders drags her into an FBI investigation, Kenna finds herself back in the place where it all went wrong. Struggling to make sense of the case, Kenna’s past and present collide in a deadly plot that risks another betrayal and threatens to shatter everything she’s built.

Riley Bishop is a single mother, working at home as a graphic designer to provide for her two children, Sadie and Oliver. But something is very wrong. Riley starts forgetting things—like appointments, where she put her keys, and where she parked her car. And then she thinks she sees her deceased ex-husband while out shopping. But as Riley begins to question her own sanity, her twelve-year-old Sadie goes missing. Soon Riley finds it harder and harder to know what is truth and what are lies as she is forced to question her own reality while she searches for her daughter.

Shortly after returning home from being held captive overseas, former Navy SEAL Silas Williamson found himself sole guardian of his four-year-old niece. Moving to Hope Springs was supposed to be a safe haven for them both, but then she showed up. The woman who has haunted every moment of his life since they parted ways a decade ago. Bianca Theodore has certainly suffered through her fair share of dark times. As a military trauma surgeon, she's saved more lives than she can count. However, there was one life she refused to save.