No pun intended - obviously our main character here can not see, right? But as they say, when you lose one sense the others get heightened ... which seems to be true here. On the other hand, there is a lot more going on than a man with ... impaired eye sight.
Obviously family issues are big part, but also social issues, housing issues and society itself that looks down at certain people (no pun intended). The suspense is great and it holds tight - until the very end. Which may or may not shock you. There quite a few things that happen along the way - and you know those are not the nicest things ... but you stick around if you are not too sensitive, to see where it will lead. Even without a dog, you'll be able to find around ...