Psychologist Brooklyn Thomas narrowly survives a fire in her home and realizes that the notorious serial killer the Chastiser is back. He targeted her fifteen years ago and she managed to escape his clutches--and now he wants to exact his deadly revenge. When his attacks become more frequent, former FBI agent Landon Wentworth is the only person Brooklyn trusts to protect her--and their only option is to run. But the clock is ticking in their race to evade the killer's wrath before Brooklyn becomes his final victim.