So that means Mr. Cha was in coma for 7 wholes years or unconscious 
Comment by Danyi23 on A Tree Without Roots - Chapter 56
2 Replies
@Danyi23 i was also wondering why he's in heeseo's villa as he was the one to stab heeseo 7 years ago
@Danyi23 no guys thay didn't give all chapters basically when heeseo run and than mr. Cha wake up in the hospital and he can't find heeseo so he lives his life and it's pass 7 years the think next you all know.