Se-joo is unable to write anything while he’s in his slump. He almost gets himself killed in an accident. At the detrimental moment, Seol comes to help. She takes Se-joo to her father’s cabin. Se-joo keeps an eye out for any kind of danger and coincidentally saves Seol from harm. Se-joo keeps on having weird dreams and Seol always appears in them.

Se-joo is confused as Yoo Ji-no keeps following him and saying he is Se-joo’s ghost writer. Se-joo finally finds out that Seol has tried to be helpful while they get caught and reported as lovers. Ji-no finds out that Se-joo was a ghost writer for Baek Tae-min before. Se-joo finds out that there were encounters between Seol and Tae-min. He starts to feel a bit jealous.

Se-joo and Seol are highlighted by the media and public mistaken for having a relationship. Seol keeps on getting phone calls from Se-joo’s fans every day, who threaten her welfare. Still having the writer’s block, Se-joo is unable to write out any good quality episodes for his serial material. In the end, he decides to hold a conference to make an announce about his ghost writer.

Se-joo finally finds out Ji-no is an actual ghost, and Ji-no explains that he, Se-joo, and Seol were friends in the past. However, no one believes Se-joo sees Ji-no, the ghost. Ji-no tries to persuade Se-joo to finish the novel “Chicago Typewriter” together saying that the novel was actually written by Se-joo 80 years ago.

Se-joo rejects the idea of continuing with his writing but gets concerned that it might ruin his career forever. Seol brings Gyeon-woo to Tae-min, but Se-joo takes Gyeon-woo away. Se-joo finally accepts the idea of writing with Ji-no under one condition: Se-joo must keep men away from Seol.

Se-joo is torn between just pretending to like Seol or really having a feeling for her. The dilemma all starts because Ji-no asks Se-joo to be around her to protect and care for her. Se-joo needs a story to write, and Ji-no wants to get closer to Seol. They end up writing a contract to settle their needs. Se-joo feels awkward because he does not know how to act around Seol and makes her upset by saying the wrong things.

Ji-no gets amazed at how much Seoul has changed and asks Se-joo to go on a tour around the city. They bring Seol along with them. When Ji-no sees that Seoul has finally gained the independence he longed for, he wishes to live his youth again in 2017. Meanwhile, Baek Do-ha tells Tae-min that Se-joo has the original copy of “Fate”. Do-ha suggests Tae-min to start anew, but Tae-min refuses.

As Ji-no and Se-joo continue writing the novel, Se-joo remembers the past more. Seol’s mother comes back and tells Seol not to cross paths with the ill-fated people. She also confesses that she can see the past life as well. Meanwhile, Tae-min visits Se-joo and begs for the first draft of “Fate”.

Seol decides to leave Se-joo because she believes that they are ill-fated. However, Se-joo doesn’t let her go easily. Seol tells Tae-min that she can’t help with his work and Tae-min gets furious. Meanwhile, Se-joo gets invited by Ms. Hong So-hee to have dinner at her house. There, Se-joo meets Do-ha and tells him that he gave Tae-min the first draft of “Fate”.

Seol and Se-joo decide that they don’t want to play game with the relationship and be honest about their feelings. Se-joo suggests Seol to write the novel with him and Ji-no. Seol finally gets to meet Ji-no and remembers other things from the past. Meanwhile, Tae-min meets Jo Sang-mi and asks what she really wants to do with Se-joo.

Seol and Se-joo travel to the past and meet their past selves. After escaping the gunfight that broke out in Gyeongseong, Seol and Se-joo find out that there is a secret agent hiding among Joseon Youth Alliance. Meanwhile, Jo Sang-mi continues her plot against Seol, and Se-joo finds out that Sang-mi’s target is Seol, not him.

Seol’s first morning at Se-joo’s house turns into a fierce competition between Ji-no and Se-joo. They try their best to win Seol’s heart. Meanwhile, Tae-min makes Sang-mi to lure Seol into her house and makes Seol a hostage. Se-joo runs to rescue Seol but finds Tae-min waiting for him.

Ryu Soo-hyeon is captured and tortured by Heo Young-min. When Shin Yool finds out that Soo-hyeon had been captured, he decides to go and save her. However, Seo Hwi-young does not allow him to go. Meanwhile, Tae-min flees from the scene and leaves Se-joo injured. The police break into Sang-mi’s house and finds Seol tied up to a chair.

When Soo-hyeon learns that Hwi-young was captured and killed, she goes her own ways to execute the wrongdoers. She assassinates every betrayer, including Shin Yool. In the present time, Ji-no finds out how he was killed in his past life and gets shocked. Ji-no’s body keeps flickering, signaling that it’s almost time for him to leave.