Cruel Temptation

Episode 29 (1x29)

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On his wedding day, Gun Woo hesitates to go into the wedding hall. When his eyes meet Min Kyung's, he stops for a while but ends up running out of the wedding venue. Ms. Min has a hunch that something bad happened and follows Min Woo. Then Gun Woo tells her that he thinks So Hee might've drowned in the sea.