Preface: I received a free copy of this novel in exchange for an honest review.
Explicit content: Some sexual content, violence, death
This book is pretty forgettable, to the point where I finished it less than a week ago and am having a difficult time remembering more than the broad strokes. Overall, it's just your average mystery/police procedural. Character's husband dies, character wants to know whodunnit, police investigate, ex comes back into life, ex is a suspect, the end. Not a whole lot going on.
The police stuff is pretty cliche (they do, of course, enhance an image from a video at some point), and the pacing ends up being weird - they nab the contract killer almost immediately, but take forever to figure out who he's working for. There's a time skip just to give the main relationship more plausibility. A lot of threads are introduced that never really go anywhere (why does the grandma have dementia? Why is the police detective interested in our hero? What's the PI/cop connection? etc.). Most of the main characters are pretty flat.
The one interesting thing is that the main love interest becomes a suspect like 50% of the way through the novel, so both the reader and main character are wondering if he's really behind it all, or if he's innocent. That's really the only point of tension in the story, but it's done decently well.
Overall, this is pretty run-of-the-mill. If you enjoy the genre and aren't looking for anything too different, it's fine, but if you care about themeing or character development, give this a pass.