2021
S01E12 finale
An enthralling journey begins as a man and a woman, trapped in May 1987, embark on their adventure.
A reporter and a writer accidentally travel back to the past and are trapped in 1987. They both search for the truth of past serial murders and in the process of it, they both realize that their goals are somewhat connected to each other.
Despite her confusion about the current situation, Yoon-young recognizes a small possibility of altering the future after a chance encounter with 19-year-old Soon-ae, prompting her to follow her closely. Soon afterward, Yoon-young learns about the mistreatment that Soon-ae is facing from the other kids and also notices that some of the children resemble those she knew from the future.