He lost his hearing from his father's intense beating, suffered from bad treatments without getting treated, and during his hard days, the boy found himself in a young guy's apartment next door.    

His son doesn't hear or speak well, had lots of disabilities, and had a weak body and brain of a child, due to all of that, his mother abounded them and left the father with the poor boy who started to treat the boy quite badly.

  "You practically ruined him when you left. Why come back after years?"    "You won't understand."