This is the kind of thriller that is reasonably entertaining and afterwards immediately forgotten. The premise may not be very original (a combination of a jealous ex-husband and a psychopathic killer-disguised-as-a-heartthrob) but interesting enough, the story has some nice twists, and the acting of the main characters is fine, especially by beautiful Ashley Scott. There's however something lackluster about it, it's all a bit too polished and in spite of the thriller-aspects it lacks urgency.
What doesn't help are some improbabilities. Like what prudent single living mother would invite a total stranger to live on her premise on account of a 5 minutes talk! Or the all-too-obvious camera placed in a book exactly in front of her bed. Or the somewhat clumsy way the final show-down went about.
I would say: a Hallmark version of a not too bad but unremarkable thriller.