I've only watched up until episode 21, but briefly scanned episodes 22-24, to see if they downloaded okay. From what I can tell, JH/MR will be angry and want revenge for a while, but I honestly think it will be Young Kyu who makes JH realize the error of his ways. The one to tell him that he always had a family, there are people who love him, etc. Oh - I think he'll let DJ have his happiness. Because, despite his slight romantic feelings for WR - he loves both his "siblings" and he does want them to be happy. I think JH/MR is secretly plotting the downfall of so many people, but not DJ and WR.

I think it will all end with JH/MR living with Young Kyu, Grandma, and maybe SA. Because, I think SA can be redeemed. I think they are heading that way, with several passing comments about SA's life being hell with , Choi Jin Chul; we know he's hit her and she possibly seems in it to get her son and the money.