Seong Byeong-suk

After a deadly earthquake turns Seoul into a lawless badland, a fearless huntsman springs into action to rescue a teenager abducted by a mad doctor.

Im Sol's life takes a dramatic turn thanks to Ryu Sunjae, a top K-pop idol who lifts her out of a deep personal struggle. Unfortunately, on one tragic night, Seonjae died; and the mysterious watch that used to belong to Seonjae activated and returned Im Sol to their high school days. Armed with future knowledge, she strives to change Seonjae's fate while falling in love with him in the process. Will Im Sol's love for Ryu Seonjae be enough to reshape time? Or, will time demand a huge and painful sacrifice to grant her heartfelt wish?

In the near future, advanced technology allows people to conduct video calls with loved ones that they can't meet any longer in reality.

The region where the borders of North Korea, China, and Russia come together, forms a sort of modern day wild west, where more than half of the population relies on illegal activity in order to survive. In Yanbian, on the Chinese side of the border, Gu-nam wiles away his days driving a cab and spends his nights getting drunk and gambling. His wife went to Seoul to work and send back money, but it’s been months since he has heard from her. When local crime lord Myun offers to erase Gu-nam’s debts in exchange for a contract killing in Seoul, Gu-nam reluctantly accepts.

After a surprise visit from her friend Geum-sun, Eun-sim is headed to her hometown with Geum-sun. There, she catches up with Tae-ho who had feelings for her when they were teenagers. Her long-lost memories come to life one by one.