The Guest (2018)

S1E8 Who is the Real Park Il Do?

Father Yang reveals to Yoon the reason behind Yun Hwa Pyung’s relentless search for Park Il Do. After being released from police custody, Hwa Pyung is threatened by a thug to keep away from Congresswoman Park. The following day, while visiting his grandfather, an elderly woman arrives seeking help. She claims her granddaughter is behaving oddly—just as Hwa Pyung did two decades ago when he was possessed.