[Spoiler] "The Guest - Drama" Park Il-do's Grandfather Is Jeon Moo-song

Park Il-do's identity came out on the latest episode of the OCN drama "The Guest - Drama".

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Father Yang (Ahn Nae-sang) fell to his death from the rooftop while possessed by Park Il-do. The villagers were finally free.

Hwa-pyeong said, "I have to take care of grandpa and check that Park Il-do has gone for good". He headed to Yoon Moo-il (Jeon Moo-song) his grandfather. Yoon Moo-il had miraculously survived a cardiac arrest.

Hwa-pyeong thought Park Il-do was his grandfather Yoon Moo-il.

Yoon Moo-il said, "No I'm not. You know it. Try to remember".

In the past we see that Yoon Moo-il chose to become Park Il-do to protect his grandson. He begged for his grandson to be left alone and killed Hwa-pyeong's mother to save him.