I think you have caught the glimps of the story by the storyline. It's total NTR on a good guy by a bastard chad guy, with normal slutty wife. ( Normal NTR storyline ). So, read on your own risk.
Edit : I just saw Ch 46. Raw, I think the husband get to know about affair of his wife. I am just waiting to read how this will end. ( I don't understand korean, I was just looking at images)