A former human turned goblin is cursed to remain immortal and alone for hundreds of years. Ji Euntak, a girl who can see spirits, accidentally summons him, but she’s not what he expected.

Euntak is happy when her life begins to change for the better, but then finds out Kim Shin has been lying to her.

Shin pushes Euntak on whether she can see something about him nobody else can, but Euntak has other things on her mind.

Shin meets with an old friend, and Euntak considers what her newfound responsibilities will mean for her future.

Euntak helps one of her visitors pass on to the other side, and Shin makes new sleeping arrangements.

Shin is still struggling to get Euntak to do what he needs her to do, while the Grim Reaper tries to act like a human.

Euntak attempts to pull the sword out of Shin's chest, but something holds her back. The Grim Reaper is thrown in jail.

The Grim Reaper and Yoo Deokhwa must clean up after Shin's reaction. Euntak takes her exams.

When Euntak learns of Shin's fate, she tries to run away and avoid her own destiny. The Grim Reaper is at a loss with how to date.

It's almost the new year, so Euntak asks Shin to spend her first day as a 20-year-old adult with her. The Grim Reaper struggles with the knowledge about Sunny's past.

The Grim Reaper confronts Sunny, as does Shin. An old "friend" introduces himself to Euntak.

Sunny holds the key for the Grim Reaper to discover his past. Euntak begins college despite the threat on her life.

Sunny, Shin, and the Grim Reaper come to terms with their pasts.

The sword is out, and everything changes. Nine years pass, and we find out what has happened to everyone.

Euntak travels to Quebec to try and figure out why she can't remember a section of her past.

Both Sunny and Euntak inadvertently hurt their partners, who must come to terms with their decisions.