Ghostwriting and editing are two different things. What you described sounds like you want an editor. I suggest www.reedsy.com. They have both types of services available and prices can vary greatly depending on the experience of the person you hire. Basically you describe what you’re seeking and can select 5 editors to submit proposals.
A satirical novel about a white action hero cop who gets a black hand transplant and experiences a new villain: racism. Written by a pissed-off, struggling author, about overcoming egotistical industry gatekeepers and learning to love writing again.
Terry Walker, a police detective returning to work to investigate a number of horrifying and bizarre murders at the very same hospital where his wife had died.
When a cyclist is murdered in a city park and the only witness goes missing, rookie detective, Addie Lawrence must track her down before the killers do.