My Perfect Stranger (2023) - Official Trailer Kim Dong Wook, Jin Ki Joobr br Due to one reason or another, Yoon Hae-Joon (Kim Dong-Wook) a news anchor, and Baek Yoon-Young (Jin Ki-Joo) a woman who works at a publishing company, somehow travel back to 1987. There, Yoon Hae-Joon tries to find the truth behind a serial murder case while Baek Yoon-Young tries to prevent his parents from getting married.