Let me give you guys rough spoiler of last episode JinDo Jun will wake up as the previous Hyunwoo remembers everything of JDJ and takes over what was JDJ(his). The way he takes over and revengefully crushes Soonyang evil siblings would be sight to watch
i was so happy when dojun said lets get married to minyoung then BOOM shit happens i can never win
He will wake up as Hyunwoo with jin do jun knowledge intacked i am sure then taking over his company again as revenge will follow. We mught get a rushed story in last episode
The Grandfather role by Lee Sung Min is the very character that has carried the show. He binds the plot to such an interesting way. The grandfather - grandson relationship is too much wonderful that gives a moral to these generation of bonding with grandparents.