My Perfect Stranger (2023)

Yoon Hae Joon is the youngest anchor to ever work at his broadcasting station. He is calm and straightforward as a journalist and kind in his personal life. Baek Yoon Young dreamed of becoming a writer, but wound up working at a publishing company. The two somehow travel back in time to the year 1987. There, Yoon Hae Joon tries to find the truth behind a serial murder case while Baek Yoon Young attempts to prevent her parents from marrying. They soon realize that their objectives are connected.