A lawman confronts his past and a predator in the Texas heat...

A taunting text from a serial killer gives FBI agent Nolan Dalton only minutes to save the next victim. Former cop Adalyn Baxter—and Nolan’s ex-girlfriend—received the same message. That’s just the beginning of a cunningly orchestrated plan that unearths a shocking secret about Nolan. As the Texas lawman struggles to come to terms with his past and protect Adalyn, a madman’s end game could bury them both.