Can someone pls give me a summary of this story so far so I can decide if i should read it...

"After saving little Amber from an abusive foster parent, hitman Tennessee gains someone worth protecting for the first time in his life. But the older Amber gets, the more his obsessive love for Tennessee grows, despite his rescuer still seeing him as the same little boy from years ago. It isn’t until Tennessee gets into an accident that leaves him with face blindness that the lines between them begin to blur. Tennessee knows in his head that this is still Amber, but his impairment makes both the younger man’s face and Tennessee’s own feelings for him unrecognizable..."