A Shocking Discovery

Yun-hee reveals to Hun-tae that Gyu-rim is her daughter, forcing him to lie in an attempt to make Seo-hyun give up on Mu-jin. Meanwhile, Gyeol is stunned to discover that his blood type makes it impossible for Gyu-rim to be his biological mother. Reeling from the revelation, he runs away from home and seeks out Mu-jin.