Jung Jin Young

In 2050, the organization Alice was formed as a way for humans to travel into another time and parallel world. Soon, however, the "Book of Prophecy" was discovered, which predicted the end of travelers. In an attempt to prevent the book from falling into the wrong hands, Alice sends Yoo Min Hyuk and Yoon Tae Yi to 1992 to retrieve it from the last known keeper of the book. It was during this mission that Tae Yi realized she was pregnant with Yoo Min Hyuk's child and decided to stay to raise their child and hid from Yoo Min Hyuk by changing her name to Park Sun Young. Park Jin Gyeom, the son of Park Sun Young, is a successful detective in 2020. His path crossed with the Yoon Tae Yi of this world, a physics professor specializing in quantum and temporal mechanics, and who looks exactly like his mother. The meeting of Park Jin Gyeom and Yoon Tae Yi was the start of their journey to rediscover the Book of Prophecy and their search for answers. (Source: Snoworld at MyDramaList)

As an ace attorney at a big law firm, No Chak Hui is willing to take any risk to win a case and is set to receive a promotion to a partner position, but a problem occurs on a case she accepts. Because of the case, she is suspended for a year. She then begins to start work as a public defender but hopes to return to her position at the law firm where she worked previously. As a public defender, she shares an office with fellow public defender Jwa Shi Baek, a top graduate of the Judicial Research and Training Institute. Instead of becoming a judge, prosecutor, or attorney at a big law firm, he chose to work as a public defender. He is enthusiastic about his work but also has a mysterious part of his personal life that nobody knows about. No Chak Hui and Jwa Shi Baek don't get along very well, but a serial murder case brings them together, and as they try to solve the case together, more secrets unfold, and they grow to trust each other. (Source: AsianWiki, edited by Nauriya)