"It was something beyond my imagination."

A story about a family who seem perfect on the outside but are actually slowly crumbling on the inside. A man comes into their lives and turns it upside down. You get the feeling that he means well but his unconventional methods of helping the family makes you wonder why this random stranger cares so much.

I just finished watching it, and it is just wow. Clever and terrific writing from start to finish. Although hints were sprinkled throughout, I still didn't expect to learn about what happened in the main character's past until it was revealed towards the end. They really made all 10 episodes count in telling this story.