Stars of SBS drama 'Secret Mother' pose at an event in Seoul, South Korea, 11 May 2018 to promote the mystery thriller about a surrogate mother who comes into a woman's house to find a secret about the death of the woman's child. From left are Kim So-yeon, Kim Jae-hwa, Song Yoon-ah, Seo Young-hee and Oh Yeon-ah.
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