Yourself and Yours (2016)

The film tells the story of painter Young-soo, played by Kim Joo-hyuk, and his lover Min-jung (Lee Yoo-young). Yingxiu heard from others that Minzhen had been drinking with a strange man, which triggered a quarrel between the two. Young-soo went to find Min-zhen the next day, only to find that Min-zhen looked exactly like Min-zhen...