Responses
actually the reason that the middle one hates minjae the most was minjae told him one day that the middle one would never know jungwoo the best as him. that made him furious (yea.. i think it’s bcs he actually had feeling for the oldest)
minjae and jungwoo used to be abused by heo’s director. jungwoo didn’t help minjae since he wanted to protect heo family and help the middle one to not be abused and to live comfortably. minjae knew they had this weird relationship so he planned to ruin this family himself
Now i think i know what happened between jungwoo (the oldest) & minjae. I'm guessing the middle one junghyuk doesn't like minjae being cared for by jungwoo (the typical my brother can only care for me type possibility of pseudo incest here) but in that way minjae was pushed out too much from the family & since he's adopted (he's the son of a whistle blower of his adoptee's company?) he was not protected properly. The oldest knew but didn't help. Minjae is angry & as he grew up he wants to persecute everyone from that family. Tarnishing the Heo surname in the industry.