Secret Mother
I’ll Reveal It Until The End (1x22)
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Confirming that her mother-in-law, Park Seon Ja, ordered those men to kidnap Eun Young, Yoon Jin confronts Seon Ja. However, Seon Ja denies it and says that she was only trying to talk to Eun Young quietly and find out what she wanted from her family. Yoon Jin does not believe this and tells her that there must be something behind the accident that Seon Ja desperately wants to hide. She swears that she will find it out no matter what.